diff --git a/setup.py b/setup.py
index 133c93f..99ccf5e 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,8 @@
     download_url='https://github.com/neolei/DSSPparser',
     author='neolei',
     author_email='wl20132017@webmail.hzau.edu.cn',
-    description='parse protein secondary structure dssp file; DSSP api interface',
+    description='parse protein secondary structure；dssp file; DSSP api interface；transform PDB format to dssp format',
+    keywords=['Bioinformation', 'DSSP'],
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
     license='MIT',