After surgery for perianal abscess, patients can take antibiotic drugs, such as amoxicillin, etc.; non-steroidal anti-inflammatory drugs, such as ibuprofen, etc.; laxatives, such as lactulose, etc.. 1. antibiotic drugs: common antibiotic drugs are amoxicillin, ibuprofen, metronidazole, etc., perianal abscess patients are prone to postoperative infection of the incision, the patient can follow the doctor’s instructions to take this kind of drugs for anti-infection treatment. 2. non-steroidal anti-inflammatory drugs: non-steroidal drugs have anti-inflammatory, analgesic, antipyretic and other effects, when patients with postoperative pain in the perianal area, you can follow the doctor’s instructions with such drugs for analgesic treatment, common drugs are ibuprofen, aspirin and so on. 3. Laxatives: patients with reduced postoperative activities, easy to defecation difficulties, constipation, etc., patients can follow the doctor’s instructions to take laxatives, such as lactulose, magnesium sulfate, sorbitol, etc., in order to avoid constipation to affect the perianal wound healing, etc.. It is recommended that patients strictly follow the doctor’s instructions for medication, do not change the dose of drugs or private abuse of drugs, pay attention to post-operative care in life, timely cleaning and disinfection of the perianal area after defecation, and regular review and medication change.