There is no such symptom as brace face in clinical practice, but it is a social description of the characteristic facial manifestations of people who have been wearing braces for a long time. The so-called braces face is usually manifested as protruding cheekbones, sunken temples, sunken cheeks, etc., mostly seen in orthodontic people wearing braces, in addition, too thin and the elderly may also appear this braces face performance. 1, orthodontic people: for people wearing braces during orthodontic period, because wearing braces may make teeth and gums produce a certain sense of soreness, and braces wear may cause traumatic Oral ulcers may occur. These oral discomfort symptoms may lead to difficulties in daily eating and they may choose to eat softer foods to relieve the discomfort by reducing eating and chewing. However, during this period, because the chewing muscles cannot be effectively and fully utilized, the biting force gradually declines, which leads to different degrees of atrophy of the biting muscles, as well as the phenomenon of depression of the soft tissues in the cheeks and temples, which also appears as the so-called brace face. This phenomenon can usually be gradually relieved after resuming a normal diet, so there is no need to worry too much. It is recommended that daily life pay attention to increase chewing, exercise the bite muscle, can gradually make the facial muscles plump, which can help improve the symptoms of braces face; 2, too thin people: some people who are too thin, low facial fat content, will also show braces face. This group of people who feel that braces face affects the beauty, can increase their diet, eat more high-protein, high-fat food to supplement nutrition and increase weight, so that facial fat gradually plump, can improve the protruding cheekbones, temples sunken, cheeks sunken and so on. But also pay attention to eat more fruits and vegetables, to ensure balanced nutrition, and appropriate exercise, healthy weight gain; 3, the elderly: with the increase in age, the elderly body water, fat, etc. will be reduced to varying degrees, there will also be tooth loss, skin relaxation and aging, can be manifested as braces face. No special treatment is needed at this time, it is a normal physiological phenomenon, it is recommended to eat normally.