The number of postoperative dressing changes for patients with perianal abscess is uncertain and needs to be determined by the degree of the patient’s specific condition and recovery. In the early postoperative period, if the local condition is complicated, there are dirt, necrotic tissues and blood seepage on the wound surface, the medication is usually changed once a day, and it may be necessary to change the medication for 2~3 times. After 5~6 days after the operation, with the gradual healing of the wound, there is no more dirt and necrotic tissue on the wound surface, and the wound surface is clean, you may change the medication once every 1~2 days, and then gradually extend the interval time of changing the medication and reduce the number of times of changing the medication. The specific condition of healing according to their own condition to follow the doctor’s instructions, until the full recovery after surgery. If the patient has undergone perianal abscess surgery, if there is any discomfort during the medication change process, it is recommended to consult the relevant doctor and cooperate with the doctor for appropriate treatment.