diff --git a/.gitignore b/.gitignore
index 231cde62..094710bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -166,4 +166,5 @@ google-services.json
 
 # End of https://www.gitignore.io/api/kotlin,androidstudio
 /app/keystore
-/app/mission-mate-keystore.jks
\ No newline at end of file
+/app/mission-mate-keystore.jks
+/.idea/kotlinc.xml
diff --git a/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/di/DataModule.kt b/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/di/DataModule.kt
index cd69468a..caaad2fd 100644
--- a/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/di/DataModule.kt
+++ b/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/di/DataModule.kt
@@ -1,8 +1,10 @@
 package com.goalpanzi.mission_mate.core.data.di
 
 import com.goalpanzi.mission_mate.core.data.repository.LoginRepositoryImpl
+import com.goalpanzi.mission_mate.core.data.repository.OnboardingRepositoryImpl
 import com.goalpanzi.mission_mate.core.data.repository.ProfileRepositoryImpl
 import com.goalpanzi.mission_mate.core.domain.repository.LoginRepository
+import com.goalpanzi.mission_mate.core.domain.repository.OnboardingRepository
 import com.goalpanzi.mission_mate.core.domain.repository.ProfileRepository
 import dagger.Binds
 import dagger.Module
@@ -18,4 +20,7 @@ internal abstract class DataModule {
 
     @Binds
     abstract fun bindProfileRepository(impl: ProfileRepositoryImpl): ProfileRepository
+
+    @Binds
+    abstract fun bindOnboardingRepository(impl: OnboardingRepositoryImpl): OnboardingRepository
 }
\ No newline at end of file
diff --git a/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/repository/OnboardingRepositoryImpl.kt b/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/repository/OnboardingRepositoryImpl.kt
new file mode 100644
index 00000000..97542bc1
--- /dev/null
+++ b/core/data/src/main/java/com/goalpanzi/mission_mate/core/data/repository/OnboardingRepositoryImpl.kt
@@ -0,0 +1,16 @@
+package com.goalpanzi.mission_mate.core.data.repository
+
+import com.goalpanzi.mission_mate.core.domain.repository.OnboardingRepository
+import com.goalpanzi.mission_mate.core.network.service.OnboardingService
+import com.luckyoct.core.model.base.NetworkResult
+import com.luckyoct.core.model.request.CreateMissionRequest
+import com.luckyoct.core.model.response.MissionDetailResponse
+import javax.inject.Inject
+
+class OnboardingRepositoryImpl @Inject constructor(
+    private val onboardingService: OnboardingService
+) : OnboardingRepository {
+    override suspend fun createMission(missionRequest: CreateMissionRequest): NetworkResult<MissionDetailResponse> = handleResult {
+        onboardingService.createMission(missionRequest)
+    }
+}
\ No newline at end of file
diff --git a/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/repository/OnboardingRepository.kt b/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/repository/OnboardingRepository.kt
new file mode 100644
index 00000000..dbcdbeb8
--- /dev/null
+++ b/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/repository/OnboardingRepository.kt
@@ -0,0 +1,13 @@
+package com.goalpanzi.mission_mate.core.domain.repository
+
+import com.goalpanzi.mission_mate.core.network.ResultHandler
+import com.luckyoct.core.model.base.NetworkResult
+import com.luckyoct.core.model.request.CreateMissionRequest
+import com.luckyoct.core.model.response.MissionDetailResponse
+
+interface OnboardingRepository : ResultHandler {
+    suspend fun createMission(
+        missionRequest: CreateMissionRequest
+    ): NetworkResult<MissionDetailResponse>
+
+}
\ No newline at end of file
diff --git a/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/usecase/CreateMissionUseCase.kt b/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/usecase/CreateMissionUseCase.kt
new file mode 100644
index 00000000..89e3ab37
--- /dev/null
+++ b/core/domain/src/main/java/com/goalpanzi/mission_mate/core/domain/usecase/CreateMissionUseCase.kt
@@ -0,0 +1,19 @@
+package com.goalpanzi.mission_mate.core.domain.usecase
+
+import com.goalpanzi.mission_mate.core.domain.repository.OnboardingRepository
+import com.luckyoct.core.model.base.NetworkResult
+import com.luckyoct.core.model.request.CreateMissionRequest
+import com.luckyoct.core.model.response.MissionDetailResponse
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import javax.inject.Inject
+
+class CreateMissionUseCase @Inject constructor(
+    private val onboardingRepository: OnboardingRepository
+) {
+    operator fun invoke(
+        createMissionRequest : CreateMissionRequest
+    ): Flow<NetworkResult<MissionDetailResponse>> = flow {
+        emit(onboardingRepository.createMission(createMissionRequest))
+    }
+}
\ No newline at end of file
diff --git a/core/model/src/main/java/com/luckyoct/core/model/request/CreateMissionRequest.kt b/core/model/src/main/java/com/luckyoct/core/model/request/CreateMissionRequest.kt
new file mode 100644
index 00000000..5d8bacee
--- /dev/null
+++ b/core/model/src/main/java/com/luckyoct/core/model/request/CreateMissionRequest.kt
@@ -0,0 +1,13 @@
+package com.luckyoct.core.model.request
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class CreateMissionRequest(
+    val description : String,
+    val missionStartDate : String,
+    val missionEndDate : String,
+    val timeOfDay : String,
+    val missionDays : List<String>,
+    val boardCount : Int
+)
\ No newline at end of file
diff --git a/core/model/src/main/java/com/luckyoct/core/model/response/MissionDetailResponse.kt b/core/model/src/main/java/com/luckyoct/core/model/response/MissionDetailResponse.kt
new file mode 100644
index 00000000..50bd5361
--- /dev/null
+++ b/core/model/src/main/java/com/luckyoct/core/model/response/MissionDetailResponse.kt
@@ -0,0 +1,16 @@
+package com.luckyoct.core.model.response
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class MissionDetailResponse(
+    val missionId : Long,
+    val hostMemberId : Long,
+    val description : String,
+    val missionStartDate : String,
+    val missionEndDate : String,
+    val timeOfDay : String,
+    val missionDays : List<String>,
+    val boardCount : Int,
+    val invitationCode : String
+)
\ No newline at end of file
diff --git a/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/di/ServiceModule.kt b/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/di/ServiceModule.kt
index a6153a67..48d11318 100644
--- a/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/di/ServiceModule.kt
+++ b/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/di/ServiceModule.kt
@@ -1,6 +1,7 @@
 package com.goalpanzi.mission_mate.core.network.di
 
 import com.goalpanzi.mission_mate.core.network.service.LoginService
+import com.goalpanzi.mission_mate.core.network.service.OnboardingService
 import com.goalpanzi.mission_mate.core.network.service.ProfileService
 import dagger.Module
 import dagger.Provides
@@ -24,4 +25,10 @@ object ServiceModule {
     fun provideProfileService(retrofit: Retrofit): ProfileService {
         return retrofit.create(ProfileService::class.java)
     }
+
+    @Provides
+    @Singleton
+    fun provideOnboardingService(retrofit: Retrofit): OnboardingService {
+        return retrofit.create(OnboardingService::class.java)
+    }
 }
\ No newline at end of file
diff --git a/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/service/OnboardingService.kt b/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/service/OnboardingService.kt
new file mode 100644
index 00000000..ff94b45c
--- /dev/null
+++ b/core/network/src/main/java/com/goalpanzi/mission_mate/core/network/service/OnboardingService.kt
@@ -0,0 +1,14 @@
+package com.goalpanzi.mission_mate.core.network.service
+
+import com.luckyoct.core.model.request.CreateMissionRequest
+import com.luckyoct.core.model.response.MissionDetailResponse
+import retrofit2.Response
+import retrofit2.http.Body
+import retrofit2.http.POST
+
+interface OnboardingService {
+    @POST("/api/missions")
+    suspend fun createMission(
+        @Body request: CreateMissionRequest
+    ): Response<MissionDetailResponse>
+}
\ No newline at end of file
diff --git a/feature/onboarding/build.gradle.kts b/feature/onboarding/build.gradle.kts
index 9e30fb5f..de7ef489 100644
--- a/feature/onboarding/build.gradle.kts
+++ b/feature/onboarding/build.gradle.kts
@@ -67,4 +67,6 @@ dependencies {
 
     implementation(project(":core:designsystem"))
     implementation(project(":core:navigation"))
+    implementation(project(":core:domain"))
+    implementation(project(":core:model"))
 }
\ No newline at end of file
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/BoardSetupResult.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/BoardSetupResult.kt
new file mode 100644
index 00000000..9a4c2d1f
--- /dev/null
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/BoardSetupResult.kt
@@ -0,0 +1,8 @@
+package com.goalpanzi.mission_mate.feature.onboarding.model
+
+import com.luckyoct.core.model.response.MissionDetailResponse
+
+sealed class BoardSetupResult {
+    data class Success(val data : MissionDetailResponse) : BoardSetupResult()
+    data class Error(val message : String) : BoardSetupResult()
+}
\ No newline at end of file
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/VerificationTimeType.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/VerificationTimeType.kt
index f042ca25..71b9ebc0 100644
--- a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/VerificationTimeType.kt
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/model/VerificationTimeType.kt
@@ -6,7 +6,7 @@ import com.goalpanzi.mission_mate.feature.onboarding.R
 enum class VerificationTimeType(
     @StringRes val titleId : Int
 ) {
-    Am(R.string.onboarding_board_setup_verification_time_input_content_am),
-    Pm(R.string.onboarding_board_setup_verification_time_input_content_pm),
-    All(R.string.onboarding_board_setup_verification_time_input_content_all)
+    MORNING(R.string.onboarding_board_setup_verification_time_input_content_am),
+    AFTERNOON(R.string.onboarding_board_setup_verification_time_input_content_pm),
+    EVERYDAY(R.string.onboarding_board_setup_verification_time_input_content_all)
 }
\ No newline at end of file
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupScreen.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupScreen.kt
index b5cd31de..2c07a864 100644
--- a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupScreen.kt
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupScreen.kt
@@ -1,5 +1,6 @@
 package com.goalpanzi.mission_mate.feature.onboarding.screen.boardsetup
 
+import android.widget.Toast
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ColumnScope
@@ -13,7 +14,6 @@ import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.foundation.pager.rememberPagerState
-import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -22,6 +22,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.text.font.FontWeight
@@ -37,6 +38,7 @@ import com.goalpanzi.mission_mate.core.designsystem.theme.MissionMateTypography
 import com.goalpanzi.mission_mate.feature.onboarding.R
 import com.goalpanzi.mission_mate.feature.onboarding.component.BoardSetupNavigationBar
 import com.goalpanzi.mission_mate.feature.onboarding.component.DatePickerDialog
+import com.goalpanzi.mission_mate.feature.onboarding.model.BoardSetupResult
 import com.goalpanzi.mission_mate.feature.onboarding.model.VerificationTimeType
 import com.goalpanzi.mission_mate.feature.onboarding.screen.boardsetup.BoardSetupViewModel.Companion.BoardSetupStep
 import com.goalpanzi.mission_mate.feature.onboarding.util.DateUtils.dateToString
@@ -51,6 +53,7 @@ fun BoardSetupRoute(
     onBackClick: () -> Unit,
     viewModel: BoardSetupViewModel = hiltViewModel()
 ) {
+    val context = LocalContext.current
     val keyboardController = LocalSoftwareKeyboardController.current
     val localFocusManager = LocalFocusManager.current
     val pagerState = rememberPagerState { BoardSetupStep.entries.size }
@@ -103,8 +106,16 @@ fun BoardSetupRoute(
     }
 
     LaunchedEffect(key1 = Unit) {
-        viewModel.setupSuccessEvent.collect {
-            onSuccess()
+        viewModel.setupEvent.collect { event ->
+            when(event){
+                is BoardSetupResult.Success -> {
+                    onSuccess()
+                }
+                is BoardSetupResult.Error -> {
+                    Toast.makeText(context, event.message,Toast.LENGTH_SHORT).show()
+                }
+            }
+
         }
     }
 
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupSuccessScreen.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupSuccessScreen.kt
index a7441d76..bf90df9c 100644
--- a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupSuccessScreen.kt
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupSuccessScreen.kt
@@ -1,10 +1,13 @@
 package com.goalpanzi.mission_mate.feature.onboarding.screen.boardsetup
 
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.statusBarsPadding
 import androidx.compose.foundation.layout.wrapContentHeight
@@ -13,8 +16,10 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import com.goalpanzi.mission_mate.core.designsystem.component.MissionMateButtonType
 import com.goalpanzi.mission_mate.core.designsystem.component.MissionMateTextButton
@@ -31,49 +36,84 @@ fun BoardSetupSuccessScreen(
     onClickStart: () -> Unit,
     modifier: Modifier = Modifier
 ) {
-    Column(
-        modifier = modifier
-            .fillMaxWidth()
-            .background(ColorWhite_FFFFFFFF)
-            .padding(horizontal = 14.dp),
-        horizontalAlignment = Alignment.CenterHorizontally,
-        verticalArrangement = Arrangement.spacedBy(12.dp)
+    Box(
+        modifier = modifier.background(ColorWhite_FFFFFFFF)
     ) {
-        Text(
-            modifier = Modifier.statusBarsPadding().padding(top = 60.dp),
-            text = stringResource(id = R.string.onboarding_board_setup_success_title),
-            style = MissionMateTypography.heading_sm_bold,
-            color = ColorGray2_FF4F505C
-        )
-
-        Text(
-            text = stringResource(id = R.string.onboarding_board_setup_success_description),
-            style = MissionMateTypography.title_xl_regular,
-            color = ColorGray3_FF727484,
-            textAlign = TextAlign.Center
-        )
-        Box(
+        Image(
             modifier = Modifier
                 .fillMaxWidth()
-                .weight(1f),
-            contentAlignment = Alignment.Center
+                .wrapContentHeight(),
+            painter = painterResource(id = com.goalpanzi.mission_mate.core.designsystem.R.drawable.background_jeju),
+            contentDescription = null,
+            contentScale = ContentScale.FillWidth
+        )
+        Column(
+            modifier = modifier
+                .fillMaxWidth()
+                .statusBarsPadding()
+                .navigationBarsPadding()
+                .padding(horizontal = 14.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(12.dp)
         ) {
-            StableImage(
+            Text(
+                modifier = Modifier
+                    .statusBarsPadding()
+                    .padding(top = 48.dp),
+                text = stringResource(id = R.string.onboarding_board_setup_success_title),
+                style = MissionMateTypography.heading_sm_bold,
+                color = ColorGray1_FF404249
+            )
+
+            Box(
                 modifier = Modifier
+                    .fillMaxWidth()
+                    .weight(1f),
+                contentAlignment = Alignment.Center
+            ) {
+                StableImage(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .wrapContentHeight(),
+                    drawableResId = com.goalpanzi.mission_mate.core.designsystem.R.drawable.image_jeju_success,
+                    contentScale = ContentScale.FillWidth
+                )
+            }
+            Column(
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Text(
+                    text = stringResource(id = R.string.onboarding_board_setup_success_description_top),
+                    style = MissionMateTypography.title_xl_bold,
+                    color = ColorGray3_FF727484,
+                    textAlign = TextAlign.Center
+                )
+                Text(
+                    text = stringResource(id = R.string.onboarding_board_setup_success_description_bottom),
+                    style = MissionMateTypography.title_xl_regular,
+                    color = ColorGray3_FF727484,
+                    textAlign = TextAlign.Center
+                )
+            }
+            MissionMateTextButton(
+                modifier = Modifier
+                    .padding(bottom = 36.dp, start = 10.dp, end = 10.dp, top = 71.dp)
                     .fillMaxWidth()
                     .wrapContentHeight(),
-                drawableResId = com.goalpanzi.mission_mate.core.designsystem.R.drawable.image_jeju_success,
-                contentScale = ContentScale.FillWidth
+                buttonType = MissionMateButtonType.ACTIVE,
+                textId = R.string.start,
+                onClick = onClickStart
             )
         }
-        MissionMateTextButton(
-            modifier = Modifier
-                .padding(vertical = 36.dp, horizontal = 10.dp)
-                .fillMaxWidth()
-                .wrapContentHeight(),
-            buttonType = MissionMateButtonType.ACTIVE,
-            textId = R.string.start,
-            onClick = onClickStart
-        )
     }
+
+}
+
+@Preview
+@Composable
+fun PreviewBoardSetupSuccessScreen(){
+    BoardSetupSuccessScreen(
+        onClickStart = {},
+        modifier = Modifier.fillMaxSize()
+    )
 }
\ No newline at end of file
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupViewModel.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupViewModel.kt
index da343c6b..4d3157e1 100644
--- a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupViewModel.kt
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/screen/boardsetup/BoardSetupViewModel.kt
@@ -6,9 +6,15 @@ import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshotFlow
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.goalpanzi.mission_mate.core.domain.usecase.CreateMissionUseCase
+import com.goalpanzi.mission_mate.feature.onboarding.model.BoardSetupResult
 import com.goalpanzi.mission_mate.feature.onboarding.model.VerificationTimeType
+import com.goalpanzi.mission_mate.feature.onboarding.util.DateUtils.filterDatesByDayOfWeek
+import com.goalpanzi.mission_mate.feature.onboarding.util.DateUtils.formatLocalDateToString
 import com.goalpanzi.mission_mate.feature.onboarding.util.DateUtils.isDifferenceTargetDaysOrMore
 import com.goalpanzi.mission_mate.feature.onboarding.util.DateUtils.longToLocalDate
+import com.luckyoct.core.model.base.NetworkResult
+import com.luckyoct.core.model.request.CreateMissionRequest
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -27,11 +33,11 @@ import javax.inject.Inject
 
 @HiltViewModel
 class BoardSetupViewModel @Inject constructor(
-
+    private val createMissionUseCase : CreateMissionUseCase
 ) : ViewModel() {
 
-    private val _setupSuccessEvent = MutableSharedFlow<Unit>()
-    val setupSuccessEvent: SharedFlow<Unit> = _setupSuccessEvent.asSharedFlow()
+    private val _setupEvent = MutableSharedFlow<BoardSetupResult>()
+    val setupEvent: SharedFlow<BoardSetupResult> = _setupEvent.asSharedFlow()
 
     private val _currentStep = MutableStateFlow(BoardSetupStep.MISSION)
     val currentStep: StateFlow<BoardSetupStep> = _currentStep.asStateFlow()
@@ -104,7 +110,7 @@ class BoardSetupViewModel @Inject constructor(
                     BoardSetupStep.entries[currentStep.value.ordinal + 1]
                 )
             } else if (currentStep.value == BoardSetupStep.VERIFICATION_TIME) {
-                _setupSuccessEvent.emit(Unit)
+                createMission()
             }
         }
     }
@@ -155,6 +161,36 @@ class BoardSetupViewModel @Inject constructor(
         }
     }
 
+    private suspend fun createMission(){
+        val timeOfDay = selectedVerificationTimeType.value?.name
+        val startDate = startDate.value
+        val endDate = endDate.value
+        if(timeOfDay == null || startDate == null || endDate == null){
+            _setupEvent.emit(BoardSetupResult.Error("Board Setup is Failed"))
+            return
+        }
+
+        createMissionUseCase(
+            CreateMissionRequest(
+                description = missionTitle,
+                missionStartDate = formatLocalDateToString(startDate),
+                missionEndDate = formatLocalDateToString(endDate),
+                missionDays = selectedDays.value.map { it.name },
+                timeOfDay = timeOfDay,
+                boardCount = filterDatesByDayOfWeek(startDate, endDate, selectedDays.value)
+            )
+        ).collect { result ->
+            when(result){
+                is NetworkResult.Success -> {
+                    _setupEvent.emit(BoardSetupResult.Success(result.data))
+                }
+                else -> {
+                    _setupEvent.emit(BoardSetupResult.Error("Board Setup is Failed"))
+                }
+            }
+        }
+    }
+
     private fun getUniqueDaysOfWeekInRange(
         startDate : LocalDate,
         endDate: LocalDate
diff --git a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/util/DateUtils.kt b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/util/DateUtils.kt
index e07b230a..76dfe863 100644
--- a/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/util/DateUtils.kt
+++ b/feature/onboarding/src/main/java/com/goalpanzi/mission_mate/feature/onboarding/util/DateUtils.kt
@@ -3,7 +3,10 @@ package com.goalpanzi.mission_mate.feature.onboarding.util
 import java.time.DayOfWeek
 import java.time.Instant
 import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
 import java.time.ZoneId
+import java.time.ZoneOffset
 import java.time.format.DateTimeFormatter
 import java.time.temporal.ChronoUnit
 import java.util.Locale
@@ -52,4 +55,11 @@ object DateUtils {
         targetDifferenceDays : Int = 7
     ) = ChronoUnit.DAYS.between(startDate, endDate).absoluteValue >= targetDifferenceDays
 
+
+    fun formatLocalDateToString(date: LocalDate): String {
+        val dateTime = LocalDateTime.of(date, LocalTime.MIDNIGHT)
+
+        val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
+        return dateTime.atOffset(ZoneOffset.UTC).format(formatter)
+    }
 }
\ No newline at end of file
diff --git a/feature/onboarding/src/main/res/values/strings.xml b/feature/onboarding/src/main/res/values/strings.xml
index e43246be..93ea0501 100644
--- a/feature/onboarding/src/main/res/values/strings.xml
+++ b/feature/onboarding/src/main/res/values/strings.xml
@@ -9,7 +9,7 @@
     <string name="onboarding_level_1">LV1. 제주도</string>
     
     <string name="onboarding_board_setup_mission_title">미션 설정</string>
-    <string name="onboarding_board_setup_mission_description">경쟁인원은\n최소 2명에서 최대 10명입니다!</string>
+    <string name="onboarding_board_setup_mission_description">경쟁인원은\n최소 2명에서 최대 10명이에요!</string>
     <string name="onboarding_board_setup_mission_description_color_target1">최소 2명</string>
     <string name="onboarding_board_setup_mission_description_color_target2">최대 10명</string>
     <string name="onboarding_board_setup_mission_input_title">미션</string>
@@ -17,7 +17,7 @@
     <string name="onboarding_board_setup_mission_input_guide">4~12자 이내로 입력하세요.</string>
 
     <string name="onboarding_board_setup_schedule_title">기간 및 요일 설정</string>
-    <string name="onboarding_board_setup_schedule_description">경쟁 기간내 인증 요일로 계산한\n총 인증 횟수는 %s번 입니다!</string>
+    <string name="onboarding_board_setup_schedule_description">경쟁 기간내 인증 요일로 계산한\n총 인증 횟수는 %s번 이에요!</string>
     <string name="onboarding_board_setup_schedule_description_color_target1">경쟁 기간</string>
     <string name="onboarding_board_setup_schedule_description_color_target2">인증 요일</string>
     <string name="onboarding_board_setup_schedule_description_style_target">번</string>
@@ -37,7 +37,8 @@
     <string name="onboarding_board_setup_verification_time_input_content_all">종일\n00~00시</string>
 
     <string name="onboarding_board_setup_success_title">목표가 완성되었어요!</string>
-    <string name="onboarding_board_setup_success_description">꾸준히 미션를 완수해\n세계 곳곳을 경험해봐요!</string>
+    <string name="onboarding_board_setup_success_description_top">이제 시작해볼까요?</string>
+    <string name="onboarding_board_setup_success_description_bottom">꾸준히 미션를 완수해\n세계 곳곳을 경험해봐요!</string>
 
     <string name="next">다음</string>
     <string name="done">완성</string>