Dr. Anna AN is a physician of ultrasound at Jiahui Health （Shenzhen）. Dr.An graduated from the West China Medical University and received a master's degree in imaging medicine and nuclear medicine from North of Sichuan Medical University. Before joining in Jiahui, she had worked in Sichuan Provincial People's Hospital and Shenzhen Maternal and Child Health Care Hospital for over 20 years, majoring in ultrasound diagnosis in the following areas: general abdomen including adult and child, superficial small organs(such as breasts, thyroid, lymph nodes,muscle and joints), gynecology, obstetrics, newborn hip joint, infant spinal cord, adult heart and blood vessels, as well as abdominal and superficial organ ultrasound by contrast-enhanced technology. She published more than 10 papers in the core journal of the National Peking University, participated in and presided over three provincial and municipal scientific research projects, and won the provincial and municipal scientific and technological progress awards.