October 8^th is the 18^th National Hypertension Day. On October 10^th, the Cardiology Department, together with the Street Office of Zhongguancun, provided voluntary clinic services in Community Service Station of Shuangyushudongli of Haidian District. About 20 personnel, including famous experts, such as Guo Jingxuan, Chen Fengrong, Guo Lijun, Zhang Yongzhen, Liu Shuwang, Zhang Yuan, Li Zhaoping, and other young staff, participated. Over 100 residents received medical services in this voluntary clinic service.