Dysplasia of the ear is one of the symptoms of pediatric Diegeorg’s syndrome. Diegeorg’s syndrome (DGS) is associated with chromosome 22q11 defect 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 deficiency (Cardiac), Facial abnormality (Abnormal), Thymic hypoplasia (Thymic), Epiglottis (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. Pregnant women should also strengthen nutrition and timely treatment of some chronic diseases. It is advisable to eat foods high in protein; foods high in iron are advisable to eat foods high in vitamin C. The following foods are recommended to be eaten in moderation: 1. Tomatoes are rich in vitamin C, which is conducive to the digestion and absorption of iron. 1-2 are recommended for direct consumption. 2, fish high protein content, and rich in iron, is conducive to the replenishment of hemoglobin. Suggest 250g steamed for consumption. 3, shrimp meat rich in iron and zinc elements, can increase the hematopoietic material. Promote the synthesis of hemoglobin. Suggest 200g, steamed.