The cut lip should be decided according to the specific degree of cut, if the cut is shallow, there is no obvious bleeding, symptomatic treatment can be considered without stitches, close observation of the wound healing, if necessary, the wound disinfection. If the cut is deeper, especially if there are substances with rust cut the lips, then you must go to the stomatology department, apply stitches to close the cut lips in place, and must inject tetanus antitoxin to prevent tetanus. At the same time, anti-inflammatory drugs should be taken symptomatically to prevent infection of the wound. For the cut lip, if the patient is not sure, it is recommended to go to a professional hospital to be viewed by a stomatologist and decide.