Official website of Peking Union Medical College Hospital shows that Dr. Ba Yi has become the chief physician in the oncology department of the hospital. In 2002, he left the Scripps Institute as a postdoctoral fellow and returned to China to work in oncology, specializing in digestive system tumors. He is good at diagnosis and treatment of digestive tract tumors, tumor chemotherapy, targeted therapy and immunotherapy. At the same time, he is also a doctoral supervisor and a second-level professor.