The medical category with surgery as the main treatment means is called surgery, and the medical category with non-surgery as the main treatment means is called internal medicine. But its connotation has gone far beyond its original meaning. Internal medicine and surgery cannot be completely separated, and internal medicine can treat surgical diseases, and vice versa. It can be said that you have me and I have you. Some medical fields are difficult to be summarized by internal medicine or surgery, such as physical examination, blood center, pathology and so on.

Surgery: general surgery (thyroid surgery, breast surgery, hepatobiliary and pancreatic surgery, gastrointestinal anorectal surgery, etc. ), urology, orthopedics, neurosurgery, plastic surgery, cardiothoracic surgery, pediatric surgery, etc. Ophthalmology, stomatology, otolaryngology, obstetrics and gynecology and so on.

Internal medicine: respiratory medicine, gastroenterology, cardiovascular medicine, neurology, endocrinology, hematology, infectious diseases,