Lip asymmetry may be caused by dental malformation, may also be caused by congenital developmental abnormalities of the lips, need to clarify the specific causes, and then targeted treatment. 1. Malformations: If there are malformations of the teeth, such as uneven teeth, the lips are easily affected by the phenomenon of asymmetry, which needs to be corrected by orthodontic surgery in a regular hospital. 2. Lip congenital development abnormality: some people have asymmetrical lips, usually associated with congenital development abnormality of the lips, this situation can go to the relevant departments of the regular hospital, under the guidance of the doctor to improve the use of surgery, such as injections of hyaluronic acid or autologous fat and so on. Lip asymmetry is recommended to actively regular hospitals, clear what causes, follow the doctor’s advice to adopt the appropriate treatment program.