Baby lip ties knocked off, you can carry out oral examination before taking appropriate treatment measures, as follows: 1, saline rinse wounds: if the ties part of the superficial contusion, you can apply saline rinse wounds, rub iodine volts, to avoid bacterial infection. Pay attention to strengthen the cleaning of oral hygiene and reduce the retention of food residues. Do not eat overheated food to prevent continuous bleeding.2. Trim the wound margin under local anesthesia: If the wound is deeper and the coarse fibrous tissue fracture triggers massive bleeding, the wound margin can be trimmed under local anesthesia to separate the submucosal soft tissues and close the wound with longitudinal sutures to prevent scar contracture after the wound heals or to restrict lip movement.3. Fix the incisor with an arch splint: If periodontal concussion of the incisor occurs at the same time, causing loosening In case, the incisors can be fixed with dental arch splints, while sharpening the sharp edges of the teeth to reduce irritation.