Then the gum exposure caused by tooth deformity can be improved by orthodontics. At present, invisible braces orthodontics is commonly used to correct teeth, and invisible braces orthodontics can restore teeth to normal shape without anyone watching, so it is very convenient to take them off freely. Gingival exposure caused by short upper lip can be corrected by increasing the height of upper lip. There are two kinds of this operation: oral method and extraoral method. The incision was concealed, and no obvious scar could be seen after operation. For gingival exposure caused by maxillary protrusion, orthognathic surgery can be used to retreat the protruding maxilla to the normal position. Although this method is traumatic, as long as the postoperative nursing work is done well, the facial aesthetics after recovery can be greatly improved.