Yan Aiying, a major member of the research group of dredging chemical fiber therapy, graduated from Hebei Medical University with a Bachelor of medicine, vice president of Handan liver disease hospital, member of the Chinese Medical Association, member of the national cooperation group for tackling key problems of severe liver disease, member of the infectious disease branch of Handan Medical Association and member of Handan emergency society. She has been engaged in clinical and scientific research of liver disease for more than 30 years, He has accumulated rich clinical experience in the treatment of liver diseases with integrated traditional Chinese and Western medicine. He is good at using the unique dredging chemical fiber method and the latest technology to treat various liver diseases. He is unique in the treatment of liver diseases with traditional Chinese and Western medicine,