The wound is red and swollen again after two months of perianal abscess surgery, which may be caused by infection and other factors, but does not exclude the recurrence of perianal abscess. 1. Infection: after surgery, patients with perianal abscess do not pay attention to keep the perianal skin clean, resulting in bacterial invasion, inflammatory reaction occurs, due to inflammatory media stimulation, there may be redness and swelling of the wound two months after surgery. 2. Perianal abscess recurrence: perianal abscess patients still do not pay attention to diet or still have bad bowel movement after surgery, may lead to perianal abscess recurrence, the phenomenon of redness and swelling of the wound, at the same time, to observe whether accompanied by pain, swelling, fever and other symptoms of discomfort. To do relevant examinations as soon as possible, such as blood tests, local ultrasound and so on. Perianal abscess patients should pay attention to regular care after surgery, keep the perianal skin clean, the diet should be light, avoid eating too spicy and stimulating food, drink more water, appropriate exercise, keep the bowel movement, and actively cooperate with the doctor’s treatment. Perianal abscess after surgery, any discomfort symptoms, please go to the hospital in a timely manner, to clarify the cause of the disease, to give targeted treatment, so as not to delay the condition.