The whitening at the edge of the wound after perianal abscess surgery may be a case of scar wound, and it is also considered to be related to infection and other factors. 1. Scar wound: usually after anal abscess surgery, the skin around the anus will heal in the form of scar during the healing process, so there will be whitening at the edges of the wound, which is a normal phenomenon, and the patient does not need to worry. With recovery time, the wound will return to a color close to normal skin. At home, you can also use 1:5000 potassium permanganate solution sitz bath to help the healing process. 2. Infection: after perianal abscess surgery, the healing process if the wound is infected, there is inflammatory secretion oozing out, there will be a white wound edge phenomenon, you should disinfect the wound in time, and change the medicine, keep the drainage of the incision open. You can use anti-infective drugs under the guidance of the doctor, such as cefradine capsules, metronidazole tablets, etc. You can also use erythromycin ointment and other drugs externally, which can effectively alleviate the situation of wound infection. In the anal abscess surgery after the discomfort symptoms, please go to the hospital in time to check, clear cause, give reasonable treatment, so as not to delay the condition.