Professional leader of Obstetrics and Gynecology ultrasound group, teaching secretary.           
Professional direction: Familiar with ultrasonic diagnosis of various system diseases, especially good at difficult and severe obstetrics and gynecology problems, fetal malformations, scar pregnancy in early pregnancy, placenta implantation in mid late pregnancy and fetal heart malformations. Engaged in prenatal ultrasound intervention of fetal chromosome or gene abnormality related diseases. Cheng is the tutor of resident training in ultrasound medicine and is an excellent teaching teacher of hospital level resident training. In recent years, Cheng has published four SCI papers as the first author or corresponding author and presided over a project at the bureau level.
Main social jobs: Member of Shandong Ultrasonic Medical Engineering Association, member of Ultrasound Branch of Shandong Medical Doctor Association, member of Ultrasound Professional Committee of Shandong Maternal and Child Health Care Association, member of Ultrasonic Professional Committee of Shandong Association of Integrated Chinese and Western Medicine, vice chairman of Ultrasonic Medical Health Service Professional Committee of Jinan Health Service Promotion Association.