Dysplasia of the ear is one of the symptoms of pediatric Diegeorg’s syndrome. Diegeorg’s syndrome (DGS) is associated with chromosome 22q11 defects and should be considered as the sum of the most severe group of clinical disorders, abbreviated by the first letter of each word as ldquo;CATCHrdquo; 22 syndrome, meaning Cardiac defect (Cardiac), Facial abnormality (Abnormal), Thymic hypoplasia (Thymic), Epiglottis malformation (Cleft) and Hypocalcemia due to 22q11 deletion. Thymic), epiglottis malformation (Cleft) and hypocalcemia (Hypocalcemia). Earwheel hypoplasia is hereditary, so effective prevention of earwheel hypoplasia requires genetic counseling and family investigation, as well as prenatal diagnosis. During pregnancy, pregnant women should pay attention to health care, avoid receiving radiation, use some chemical drugs carefully, and get rubella vaccination to prevent viral infections as much as possible. It is also necessary for pregnant women to strengthen nutrition and timely treatment of some chronic diseases. It is advisable to eat foods with high protein in the diet; foods with high iron elements are advisable to eat foods with high vitamin C. Avoid eating active protein foods; avoid eating spicy and stimulating foods; avoid eating hot and dry foods. The following foods to eat less or not: 1, green pepper green pepper vitamin C cold rich, but spicy stimulation for the disease is not conducive to recovery. And there is the possibility of aggravating the induced hemolysis. It is recommended to switch to eat non-spicy vegetables. 2, chopped raw A characteristic of Yunnan, meat is cooked by sour pepper, but actually still raw, which can cause allergy to the organism. It is recommended to switch to eat cooked meat products. 3, crab meat With allergenicity, patients with this disease appear to be hemolytic should not eat more. It is recommended to switch to eat other foods without allergic factors.