The Department of Infection disease of the Fourth Affiliated Hospital of Zhejiang University School of Medicine is committed to the diagnosis and treatment of various types of liver diseases and infectious diseases，especially in the diagnosis and treatment of difficult and severe diseases such as FUO and liver failure. The medical team includes 2 chief physicians, 2 associate chief physicians, 6 attending physicians and 3 resident doctors, among which are 1 postdoctoral fellow and 1 doctoral candidate. Yang Jie, the head of the department, was appointed member of infection and Prevention of Zhejiang Preventive Medical Association, and member of Bacteria and Resistance Prevention and Control Branch of Zhejiang Medical Association, She participated in the national "11th Five-Year" infectious disease major special projects and the major key projects of Liaoning Science and Technology Plan, and won two municipal science and technology progress awards. We have rich clinical experience in the treatment of various types of viral hepatitis, fatty liver, alcoholic liver, autoimmune liver disease, liver cirrhosis, etc, and with a reasonable talent team and strong technical force. Our department routinely has special outpatient service for liver disease infection, general expert outpatient service, fatty liver expert outpatient service, chronic hepatitis B special outpatient service, general clinic, etc., and is responsible for the diagnosis, treatment and management of hospital fever clinic, intestinal clinic and imported infectious diseases. "Patient-centered" is our service tenet, and "paying equal attention to diagnosis and treatment and prevention and control" is our construction concept. "Our goal is to build a leading first-class infectious disease diagnosis and treatment center in central Zhejiang and China as soon as possible, and better serve more patients".