Personal resume: Cheng Yonghong, born in December 1966, graduated from the Third Military Medical University in July 1992 with a bachelor's degree. He is currently a deputy chief physician.

Medical treatment field and expertise: He has been engaged in clinical work for 24 years and in obstetrics and gynecology for 20 years, and has rich experience in diagnosis and treatment of various complications of obstetrics. He is good at obstetric surgery.

Participation topics, published papers and monographs: He presided over and participated in two scientific research projects of the Chongqing Municipal Health Commission(formerly the Chongqing Municipal Health and Family Planning Commission) and published five scientific research papers, four of which were published in credible journals.