If the foot is inflamed and swollen with pus, different treatment methods will be taken according to the specific cause. First, if it is a local swelling caused by nail infection and accompanied by subcutaneous pus accumulation, it is necessary to remove the nail treatment, while performing abscess cut drainage, local vitality iodine gauze wet dressing, patient infection symptoms are generally controlled after 3-5 days. Second, if the foot skin is infected with soft tissues and a small amount of pus accumulation, at this time the abscess is cut and not able to drain a large amount of pus, you can apply local external vital iodine gauze and take oral cephalosporin anti-inflammatory drugs to promote local infection control, swelling and pus accumulation can subside on their own. Third, if the skin of the foot is accompanied by a large amount of accumulated pus and swelling, it is necessary to perform abscess incision and drainage as soon as possible, and local gauze filling. After the pus is discharged, the swelling and infection can return to normal in about a week.