Obesity is generally divided into two categories, one is obesity caused by disease, it is because of disease (encephalitis, brain tumor, arthritis or need to take hormones of chronic diseases or because of sickness to take hormones) and cause endocrine disorders caused by obesity, this obesity is called symptomatic obesity. This kind of obesity patient accounts for about 5% of the whole obesity number. The other kind of obesity is because in the process of eating the heat intake, greatly exceeds its own consumption of heat, and make the excess fat and other nutrients in the body accumulate up to form fat cells, and lead to obesity, belong to this kind of obesity people called simple obesity, this kind of obesity number accounts for more than 90% of the total number of obese people. Generally speaking, the reasons for obesity are as follows: ① Obesity caused by genetic factors. General parents obese, or their families have a history of obesity, the possibility of their children obesity is great. This kind of obese people, it is difficult to take other artificial measures such as exercise, dieting and other methods to eliminate obesity, only after weight loss and their own weight loss before, relatively lighter weight. ② Obesity caused by unreasonable diet structure. The fat, cereal and other carbohydrate contents arranged in the partial diet or diet structure are too large, causing the heat to enter the super, leading to the fat deposit in the human body and the increase of fat cells causing obesity. People need the amount of calories according to gender, age, body type, type of work, lifestyle and different physiology and pathology of each person and different. Generally speaking, on the premise of the same age, men need more calories than women; young people need more calories than the elderly; manual workers need more calories than mental workers; people with a large amount of activity need more calories than those with a small amount of activity; therefore, when we arrange our lives, we cannot take food from our own dietary preferences alone, especially today when people’s living standards are improving and the supply of food is becoming more and more abundant, we should We should pay attention to this problem. ③ Exercise too little is also one of the causes of obesity. Modern city people are accustomed to the comfortable living environment, lack of sports, exercise awareness and behavior. In particular, many people sit in front of the TV for a long time after dinner to watch TV, a few hours, rarely walk, and so on, it is strange not to be fat! ④ seven emotions within the injury is also an important reason for obesity. Seven emotions internal injury so that the human body in the liver, spleen, kidney, stock and other dysfunction, can not be excess fat into heat excretion, and deposited in the body caused by obesity. ⑤ mental factors, is also a cause of obesity. As the saying goes, “A generous heart makes a fat body.” No thought burden, eat well, digestion and absorption is also particularly good. Or “drink to kill sorrow” to eat and drink to relieve their unhappy emotions, these can make the calorie greatly increased, resulting in obesity.