Sunken cheeks on both sides are one of the reasons why thin people feel distressed. Those with obvious sunken cheeks can see bulging zygomatic arches, collapsed cheeks, fine wrinkles on the cheeks and corners of the mouth, dry skin, yellowish and dull complexion, and are much older than their actual age. How can we prevent the cheeks from sinking obviously? 1.Wasting prevention: pay attention to diet and ensure nutritional intake. 2, aspartylglucosaminuria prevention: carry out marriage and childbirth guidance, improve the quality of population, and strive to reduce the incidence of genetic diseases in the population. Avoid the birth of offspring with genetic diseases (i.e., practicing eugenics) and the occurrence of genetic mutations by taking the usual measures including: premarital examination, genetic counseling, prenatal examination and early treatment of genetic diseases. Usually skinny people will be a little bit picky about food, so in order to gain weight in a healthy way, the first point is that you should make more adjustments in the diet. In this regard, a balanced and reasonable diet is the key – the so-called balanced, is to increase the type of food intake, a variety of food should be eaten, so that the intake of a variety of nutrients, the so-called reasonable, is a variety of diets to maintain an intake of the amount, but not too little, not too much. Due to the long-term undernutrition of children, serious digestive organs atrophy, digestive tract movement and digestive fluid secretion is reduced, so the treatment of malnutrition, should adopt the “cycle of gradual, gradual enrichment” principle. The supply of nutrients should be from less to more, from simple to complex, do not be greedy for more and faster.