General surgery (Department of generalsurgery) is a clinical discipline that treats other diseases such as liver, biliary tract, pancreas, gastrointestinal, anorectal, vascular diseases, tumors of thyroid and breast and trauma mainly by surgery, which is the largest specialty of the surgical system. General surgery is general surgery, general hospital surgery in addition to general surgery and orthopedics, neurosurgery, cardiothoracic surgery, urology, etc.. Some hospitals even divide the general surgery into more detailed neck breast department, gastrointestinal surgery, hepatobiliary pancreatic and spleen surgery, etc., and anorectal department, burn plastic surgery, vascular surgery, pediatric surgery, transplantation surgery, nutrition department, etc. are related to general surgery.