First, avoid: synthetic feed poultry, imported food (KFC, McDonald’s and other fast food chicken), anti-seasonal vegetables, soy products, supplements (turtle, chicken, pollen, royal jelly, ginseng, praise soup), beverages, snacks; Second, plan the diet, balanced nutrition: natural food-based, reasonable arrangement of the three meals, more lean meat (beef and lamb, fish, eggs, fresh milk) vegetables, fruits; calcium supplements Third, strengthen physical activity: daily large exercise accumulated 1 to 2 hours, to stretch, chest expansion, leg lifting, high jumping, rope skipping and other exercises, exercise time between 15:00 to 21:00 is appropriate; 9:30 p.m. before going to bed, to ensure that sleep in more than 8 to 9 hours; Fourth, to eliminate cosmetics, books, films and television that are not suitable for children’s health, careful use of various types of items advertised, food.