A broken upper tether can heal on its own and usually has no effect. 1. Upper ligament generally has upper lip ligament and buccal ligament, which are folds of mucous membrane connecting the lip, cheek and gums, in the shape of a fan or a band. Upper lip and buccal ties have thin mucous membrane, rich blood flow, and the connecting end is attached to the gingiva, so it is relatively difficult to suture after rupture. When the wound is not big, it can be left un-sutured, and direct pressure can be used to stop bleeding, and it can heal on its own; when the wound is big and bleeding is obvious, it can be closed by suspension suture or intermittent suture, which can promote the healing of the wound. 2. In addition, because the wound is located inside the oral cavity, upper tethered ligament rupture generally has no effect on oral function and aesthetics. 3. It is recommended to avoid excessive speech during trauma, avoid strenuous exercise, too hot and too hot diet, avoid spicy and stimulating food, pay attention to oral hygiene, you can use saline or chlorhexidine gargle, can be combined with oral cephalosporin antibiotics and nitroimidazole antibiotics, such as cefprozil and metronidazole. If the wound appears secondary bleeding, aggravation, or after 1 week has not healed, it is recommended to go to the regular hospital stomatology consultation, the use of drugs need to comply with medical advice.