Master tutor Li peking university health science center, director of Obstetrics and Gynecology of Beijing Millennium Monument Hospital, leader of obstetrics and gynecology discipline, member of Obstetrics and Gynecology Committee of Beijing Branch of Chinese Medical Association, member of Tumor Marker Committee of China Anti-cancer Association, member of China Anti-cancer Gynecology Committee, deputy director of china sexology association Sexual Medicine Committee, executive director of Reproductive Health Branch of China Population Society, expert database of medical malpractice technical appraisal of Chinese Medical Association and member of Beijing Branch, editorial board of J Tumor Marker Biology, editorial board of Chinese Clinical Journal of Obstetrics and Gynecology, and progress of obstetrics and gynecology.

Engaged in obstetrics and gynecology for more than 20 years, has accumulated rich clinical experience and mastered solid theoretical knowledge. Can skillfully diagnose and treat various diseases in this major, guide junior doctors to diagnose and treat difficult and critical diseases in obstetrics and gynecology, and solve major technical problems in this major. Especially in the field of gynecological tumors, I have accumulated rich clinical experience and can operate various radical operations, complicated and difficult operations and minimally invasive operations to standardize the diagnosis and treatment of gynecological malignant tumors. He is also good at gynecological private parts plastic surgery.