The criteria of childhood obesity generally refers to weight exceeding 2 standard deviations of the average weight of healthy children of the same sex, age or height; or exceeding 20% of the average weight of the same age and sex. Obesity caused by excessive diet is mostly seen clinically and is called simple obesity. So, how to treat your child to lose weight? Diet management treatment is a very good way, diet management treatment any cause of fat disease, are based on diet management, regulate the principles of diet are as follows: 1, limit the amount of food must take care of the basic nutrition of children and growth and development needs, only make the weight gradually reduced, initially, only require to stop the rapid weight gain. Later, the weight can be gradually reduced. To exceed the normal weight range of about 10%, that is, no longer need to restrict the diet. 2, try to meet the appetite of children, to avoid hunger, so should choose less caloric energy and large volume of food; such as celery, bamboo shoots, radish, etc.. If necessary, snacks with less caloric energy can be supplied between meals, such as unsweetened jelly, dried fish, plums, etc. 3.Protein food can satisfy the appetite, and its special power role is high, and is necessary for growth and development, so the supply should not be less than 2g/kg/d. 4.Carbohydrates are large in volume, and are helpful to the metabolism of fat and protein in the body, and can be used as the main food, but the amount of sugar should be reduced. 5, fat supply caloric energy is particularly large, should be limited, such as fried food, thick flavored oil juice and a variety of sweet fat food, are in the list of contraindications. 6, the total caloric energy must be reduced, for 10 to 14 years old obese children can generally supply calories 5020 joules (1. 200 calories) or so, the specific supply can be determined according to the actual situation of individual children and the approach.