The size of the face of a 7-year-old child will be corrected, the size of the face is mainly due to congenital skeletal development abnormalities and acquired bite relationship is not normal, need to be treated according to the specific cause of the disease. 1. Congenital bone development abnormality: If the child’s appearance is seriously affected, it is necessary to go to a regular hospital for surgical treatment, through bone cutting, bone grinding and other surgical methods to correct the size of the face. 2. Acquired abnormal occlusal relationship: you need to orthodontic teeth, and then adjust the occlusal relationship, can also correct the size of the face. It is recommended to go to a regular medical institution for treatment to correct the size of the face. The effect of treatment can be guaranteed, and during the treatment period, you should communicate more with the clinician and cooperate with the treatment.