He used to be the deputy director of the Tumor Committee of China Research Association of Integrated Traditional Chinese and Western Medicine; Vice Chairman of Traditional Medicine Professional Committee of China Anti-cancer Association; Director of Shanghai Society of Integrated Traditional Chinese and Western Medicine, chairman of oncology professional committee; Director of Shanghai Dietotherapy Research Association; Director of Shanghai Anti-cancer Association; Director of Shanghai Society of Traditional Chinese Medicine. Deputy editor-in-chief of Oncology in China; Editorial Board of Journal of Oncology and Journal of Practical Oncology; Editorial Committee of Shanghai Journal of Traditional Chinese Medicine; Outstanding reviewer of scientific papers of the research Committee of National Journal of Oncology. Member of the Committee of Shanghai Anti-cancer Drug Consultation Center of China Cancer Foundation; Member of the Expert Committee on Chronic Noncommunicable Diseases of Shanghai Center for Disease Control and Prevention.
Professor Yu Erxin is the tutor of "Inheritance of Academic Experience of National Famous Traditional Chinese Medicine" of the Ministry of Health, and a famous traditional Chinese medicine practitioner in Shanghai. His specialty is the combination of traditional Chinese and western medicine in the treatment of various tumors.