Postoperative care of perianal abscess should usually pay attention to diet and exercise, daily life care, bowel control and so on. 1. Diet and Exercise: 1~2 days after the operation, the main food should be liquid food, such as noodles, porridge, etc. After the operation, you should pay attention to the light diet, and you can carry out physical activities in bed within 24 hours after the operation, and you can get out of bed appropriately after 24 hours. 2. Daily life care: After the operation, you should pay attention to the perianal hygiene, change the medicine regularly, ensure the dryness of the anus to prevent infection. It is recommended to consume more dietary fiber in daily life, drink more water, keep the bowel movement smooth, and avoid sitting for a long time during defecation. 3. Control defecation: avoid defecation within 2 days after the operation, after the operation, the patient may have anal drop or have the urge to defecate, generally the stimulation of drugs during the operation is a normal phenomenon, control defecation within 2 days after the operation is conducive to wound healing. It is recommended that patients go to the hospital regularly for rechecking after the operation, and at the same time, avoid eating spicy and stimulating food, reduce the consumption of coffee, strong tea, etc.; pay attention to the postoperative matters according to the doctor’s instructions, so as to avoid affecting the normal recovery of the trauma.