Liu Fei, anorectal expert, associate professor, deputy director of traditional Chinese medicine, member of anorectal expert advisory group of the 253rd Hospital of China People's Liberation Army, and member of expert advisory group of the Second Affiliated Hospital of Soochow University. 1990 graduated from Nanjing University of Chinese Medicine, engaged in anorectal specialty for 20 years, and studied under Professor Ding Yijiang, a famous anorectal expert in China. The main specialty is surgical treatment of benign and malignant colorectal diseases (hemorrhoids, anal fissure, anal abscess, anal fistula, rectal prolapse, colorectal tumor, etc.). ); Inflammatory bowel disease (ulcerative colitis, Crohn's disease) and chronic functional constipation are treated with integrated traditional Chinese and western medicine. He is good at surgical treatment of hemorrhoids, anal fistula, constipation and colorectal tumors.