The correction of a large and small face may require correcting the chewing habit, doing orthodontic treatment, medication or surgical treatment, and so on. 1. To maintain bilateral chewing, not unilateral eating, unilateral eating is easy to lead to temporomandibular joint disorders, facial skewing, one side of the face muscle enlargement. 2. If the occlusal relationship is disturbed, it may need orthodontic treatment to adjust the occlusal relationship. 3. One side of the facial muscle hypertrophy can be injected drugs to promote muscle atrophy, it is recommended that the regular hospital to follow the doctor’s instructions to use drugs. 4. If the enlargement of one side of the face is caused by a swelling, the swelling can be removed and plastic surgery can be done if necessary.