Beijing MEM Hospital was founded in 1988, is the teaching base of Peking University's medical department, a member of the World Eye Foundation, a designated hospital of Beijing social insurance, a key discipline of Haidian District, a designated hospital of new rural cooperative medical system in Beijing, a cooperative unit of Beijing Red Cross Society, a designated hospital of Beijing Red Cross bright action, and a partner and the designated hospital for cataract surgery of China Lion Federation. MEM Hospital integrates medical treatment, teaching and scientific research, and has international diagnosis and treatment equipment. In these 30 years, MEM Hospital has made full use of the advantages of private groups in running hospitals and has attracted a large number of well-known experts from Beijing Tongren Hospital, Peking Union Medical College Hospital, Chinese PLA General Hospital and Peking University People's Hospital to form an authoritative medical team. The annual outpatient volume of Beijing MEM Hospital is more than 300,000 person, and there are more than 80,000 cases of various kinds of surgery; each year, nearly ten thousands patients from Beijing, Guangdong, Sichuan, Tianjin and other places visit MEM.