Grey cheeks are a reflection of a physical disease problem. Chinese medicine considers the dark cheeks as a manifestation of kidney deficiency, so it is often treated with kidney tonics. In addition, patients with hepatic sclerosis, hyperalgesia, chronic renal insufficiency, chronic cardiopulmonary insufficiency and hepatocellular carcinoma may also experience darkening of the cheeks. As for the darkening of cheeks due to physiological phenomena, age-related pigmentation spots and women’s pregnancy spots, they are normal phenomena and not diseases. Patients with gray cheeks are advised to eat foods that clear the lungs and stop coughing, foods that nourish the qi, and foods that are high in protein. Avoid eating cold foods, oily foods and warm foods. The following foods are recommended to eat less or not: 1, oysters belong to the hairy food, which can increase the possibility of the body to obtain infectious dermatitis. Therefore, it should not be eaten. It is appropriate to eat fresh freshwater fish. 2, dog meat belongs to the warm food, can increase the body’s heat, thus complicating bacterial infection. For patients with infectious diseases are not suitable to eat warm food. It is advisable to eat fresh pork and fish. 3, fatty meat Fat cold is relatively high. High fat can cause stagnation of blood vessels, thus increasing the risk of infectious diseases. It is advisable to eat lean meat.