The Cancer Hospital of the Chinese Academy of Medical Sciences is a tertiary Grade A cancer specialty hospital under the National Health Commission, and also the first cancer specialty hospital established in New China. The hospital was founded in 1958 and was originally named Ritan Hospital. International first-class and domestically leading tumor diagnosis and treatment technology. The hospital has 5 national key disciplines and 6 national clinical key specialties. In the performance evaluation of national tertiary public hospitals, the hospital consistently ranks first among national tertiary cancer specialty hospitals, and the national monitoring indicator level is the highest level A of specialty hospitals. In the "China's Best Hospital Specialty Reputation Ranking" released by the Hospital Management Research Institute of Fudan University, oncology and thoracic surgery have always ranked first in the national hospital rankings. The hospital has an annual outpatient volume of over one million people and an annual surgical volume of over 30000 units. While the number of medical services continues to grow, multiple quality evaluation indicators such as the five-year survival rate of treated patients, average length of hospital stay, proportion of fourth level surgeries, and case combination index rank first among cancer specialty hospitals in China.