Postoperative infection of breast nodules can be sterilized by iodine povidone and anti-inflammatory treatment with antibiotics. Breast nodule after surgery if accidentally tear, wound or touch water may cause infectious symptoms, mostly due to bacterial infection, the local can have redness, swelling, pus and other phenomena, if there is an abscess under the wound patients should open the suture for debridement, debridement treatment, and then again suture, and the use of iodine povine for disinfection. After disinfection can be combined with antibiotics such as roxithromycin, ceftazidime and other anti-infective treatment, and then it is recommended to change the medication once a day, but during the treatment period should avoid touching the local water, avoid strenuous exercise tearing the wound, which will aggravate the infectious symptoms, and to maintain a light diet, avoid eating spicy and stimulating food.