China-Japan Friendship Hospital (hereinafter referred to as "China-Japan Hospital") is located at No.2 Sakura Garden East Street, Chaoyang District, Beijing. It is a hospital directly under the National Health and Family Planning Commission of People's Republic of China (PRC). Opened on June 23rd, 1984. The existing number of beds/kloc-0.7 million (including the north and west areas) integrates many functions such as medical treatment, teaching, scientific research, rehabilitation, prevention and health care, undertakes tasks such as central medical care and medical rehabilitation, national health emergency rescue team, and is also the telemedicine management and training center of the National Health and Family Planning Commission. Anorectal department is a national key clinical specialty construction unit and a traditional specialty of Chinese and Japanese hospitals. 20 15 in order to expand the platform and develop disciplines, the first and second departments of anorectal department were established in the hospital, and the ward was moved to the west area of China-Japan Hospital in June.