After the lip stitches, patients should pay attention to the following matters: First, we should pay attention to the protection of the wound, the wound should not contact water and food residues, if contacted with water and food residues, to give disinfection and dressing in a timely manner. Second, to pay attention to diet, patients should not eat spicy and irritating food, such as chili peppers, etc., must not drink alcohol. Third, to regularly disinfect, change the medicine, generally with iodine volt disinfection, iodine volt is less irritating to the tissue, the patient will not feel very painful, and iodine volt has a bactericidal effect, can prevent wound infection. Fourth, to regularly observe the healing of the wound, mainly to observe whether the wound is cracked, infection and so on. After paying attention to the above matters, it can promote the wound healing. After the wound is healed, when it is time to remove the stitches, the stitches can be removed.