Wang Zhihua is chief physician of obstetrics and gynecology, master tutor. Currently, she is the director of obstetrics department of Hangzhou First People's Hospital and the leader of municipal first-class key disciplines. He is also vice chairman of Perinatal Branch of Zhejiang Medical Association, chairman of Perinatal Branch of Hangzhou Medical Association, standing Member of Gynecology and Obstetrics Branch of Zhejiang Medical Association, vice chairman of Gynecology and Obstetrics Branch of Hangzhou Medical Association, standing Deputy director of Hangzhou Obstetrics Quality Control Center. Engaged in obstetrics and gynecology clinical work for 35 years, specializing in the diagnosis and treatment of pregnancy complications, complications, critically ill pregnant women rescue has rich clinical experience.