The incision dressing should be changed 7 days after perianal abscess surgery, and it is best to go to the regular anorectal surgery outpatient clinic. You need to take out the contaminated gauze or drainage strips in the anus, and after thoroughly disinfecting the area through local iodophor and hydrogen peroxide, you can add local medications such as Rehabilitation New Liquid or Decorticating Cream, and fill in new sterile gauze to prevent local infection. After dressing change, intravenous antibiotic treatment is also needed, and if the pain or swelling disappears significantly after 3-5 days of treatment, the medication can be appropriately discontinued. Normally, you must pay attention to your diet, avoid spicy and stimulating food, quit smoking and limit alcohol. After defecation, you should regularly carry out warm water or saline flushing, with the way of drug fumigation or warm water attention, are conducive to the rapid recovery of perianal abscess.