Obesity occurs mainly because the calorie intake of an individual is higher than the calorie consumption of the body. The reasons for the imbalance of calorie intake and consumption are complicated, such as congenital genetic, neurological, endocrine metabolism, nutritional status, psychological factors, exercise, life and social environment and other factors. Genetic factors In real life, it is often seen in some families more obese people, and in some other families more thin people. People who have a family history of obesity can often find their parents obese, the patient himself and his siblings are often obese, and often accompanied by hyperlipidemia and hyperlipoproteinemia. They have similar lifestyle habits, that is, like to eat more fat or sugar. These people are often fat since childhood, with the tendency of hereditary obesity from generation to generation. Mental factors abnormal overeating is often one of the methods of venting spiritual emptiness, anger and sadness, etc. In the case of overeating, patients usually cannot control their own eating emotions, such obese patients are usually not easy to maintain weight or make weight loss, so they need professional physicians or psychotherapists to assist. Exercise factor In modern society, due to the development of transportation and the mechanization and electrification of domestic work, people’s physical activity is greatly reduced, the supply of energy exceeds the need, resulting in the imbalance of energy supply and consumption, also often cause obesity. Dietary factors People’s eating habits and diet quality have a certain influence on obesity. Such as love to eat a lot of sweets, a lot of eating fat, high calorie diet, addicted to snacks and often drink a lot of beer, etc., often easy to cause obesity. Neural regulation center disorder under normal conditions, in the role of food intake regulation center, appetite regulation to maintain in the normal range, so that the appetite is neither hyperactive, nor refusal to eat, so that the weight of people to maintain in a stable and normal range. Endocrine factors Excessive secretion of insulin leads to excess fat synthesis, which can trigger obesity.