Overweight and obese students have become an important health problem for urban students. Meng Zhe introduced, there are two kinds of obesity: one is simple obesity, 95% to 97% of obese students belong to this category, not accompanied by other diseases. The other is secondary obesity, about 3% to 5% of obese students obesity problems from a variety of endocrine metabolic diseases and genetic syndrome, they not only the distribution of body fat special, but also limb and intelligence abnormalities. The vast majority is simple obesity The vast majority of overweight students belong to simple obesity, for the following reasons: 1. Excessive nutrient intake. Guangdong students’ families are relatively rich, parents think of ways to make their children eat well, resulting in the emergence of “small fat pier”. 2, too little activity. Lack of appropriate activities and physical exercise, even if you do not eat much, but also can raise a group of obese children to. Most obese students do not like sports, forming a vicious circle. 3, genetic factors. To prevent obesity, the following points must be noted: 4, parents should overcome “obesity is fed properly, the fatter the healthier” stereotypes; 5, pregnant women in late pregnancy to reduce the intake of fatty foods to prevent excessive weight gain of the fetus. Parents belong to obese people, more should regularly monitor the weight of the child, so that they do not occur obesity; 6, dinner can not be too full, quit eating the habit of late night snacking, adhere to a small number of meals, do not eat snacks, chew and swallow slowly. The diet of obese students is based on low-fat, low-carbohydrate and high-protein recipes. Encourage them to eat more voluminous, satiety is obvious and low calorie vegetable foods, which contain fiber can also reduce the absorption of sugar and insulin secretion, and can promote cholesterol excretion, as well as a certain laxative effect. Radish, carrot, bok choy, cucumber, tomato, lettuce, apple, citrus, bamboo shoots, etc. should often choose to eat; 7, appropriate exercise, can promote fat decomposition. But obese students are often reluctant to exercise because of clumsy movements, parents should encourage them to do some effective and easy to adhere to the exercise, such as morning running, walking, doing exercises, etc., the amount of activity can not be too large, to exercise after the principle of relaxation, do not feel fatigue.