General Surgery consists of a variety of subspecialties, examples of which are listed below: 1. Thyroid and Neck Surgery: treats diseases of the thyroid gland and neck tissues. 2. Breast Surgery: treats diseases related to the breast. 3. Gastrointestinal surgery: It can treat diseases related to stomach, small intestine, colon, sigmoid colon, and abdominal cavity. 4. Anorectal Surgery: Diagnosis and treatment of rectum, anus and other related diseases. 5. Vascular Surgery: can diagnosis and treatment of limbs, trunk vascular lesions, common such as varicose veins of the lower extremities, abdominal aneurysm, lower extremity arterial thrombosis and other diseases, but also for interventional therapy department. 6. Hepatobiliary Surgery: It can diagnose and treat diseases related to liver, gallbladder, spleen, pancreas, esophagogastric fundus varices and so on. Due to the different strengths of general surgery in different hospitals, the categorization may not be so detailed, you should go to a specific hospital to consult.