The sunken cheeks on both sides are one of the causes of distress for slim people. If the sunken cheeks are obvious, the cheek arches are visible, both cheeks are collapsed, fine wrinkles are visible on the cheeks and corners of the mouth, the skin is dry, the complexion is yellow and unattractive, and it is much older than the actual age. So what is the general cause of obvious sunken cheeks? Usually after all the teeth are missing, due to the loss of teeth support between the upper and lower jaws, and the lack of normal chewing force stimulation of the alveolar bone or the entire jaw bone, will gradually degenerate, absorption, resulting in the lower face height shortened, cheeks and surrounding muscle relaxation, lips, cheeks easily sunken, resulting in the corner of the mouth sagging, facial deformation and wrinkles increase, the whole person looks older than the same age. Another factor is aspartyl glucosaminuria, which is an autosomal recessive disorder caused by a deficiency of aspartyl aminoglucosidase in the body and belongs to a type of lysosomal disease. When the body fat and protein are reduced and the weight loss exceeds 10% of the normal standard, it is called wasting. The wasting referred to here is generally progressive in the short term, with weight loss before and after the measured weight value, and there is obvious evidence of looser clothes, looser belts, larger shoes, as well as subcutaneous fat loss, muscle weakness, loose skin, prominent bones and other circumstantial evidence. Wasting, like obesity, is a kind of subhealth.