There are two types of post-operative sweating in anorectal surgery: one is the sweating after surgery, often accompanied by slight dizziness or nausea, some wet and cold skin, which is a drug reaction or mild deficiency, then rest and drink a cup of hot sugar water, the situation will gradually improve. Another kind of weakness is due to the weakness of the body, that is, the Chinese medicine is talking about the vegetative qi deficiency, the muscle surface is not solid, postoperative sweating every day, at this time should be treated according to the identification of the evidence with medicine, such as taking Gui Zhi and Zi Tang, Yu Ping Feng San, etc.. Gui Zhi Fen Zi Tang is composed of 10 grams of Gui Zhi, 6 grams of Fen Zi, 10 grams of Bai Shao, 6 grams of ginger, 6 grams of roasted licorice, and 5 jujubes, and should be taken in a decoction with water if the sweating is excessive. Yu Ping Feng San is composed of 15 grams of raw Astragalus, 10 grams of Radix Bupleuri and 10 grams of Atractylodes Macrocephala, taken with a decoction of water for slight false sweating, one dose daily. The way to prevent post-surgical sweating is to have a balanced nutrition in plain language and eat a full breakfast on the day of surgery.