Losing weight belongs to a behavior pattern aimed at reducing excess fat and weight of human body. It refers to a phenomenon that drugs, diet, exercise, diet-slimming, Chinese medicine meridians and psychotherapy are used to reduce fat accumulation in the body, trying to correct the improper behavior caused by abnormal reaction of obese people, that is, to analyze the characteristics of eating behavior and exercise types of obese people by behavioral science, and on this basis, to reasonably correct the actions that lead to obesity.

Dieting without exercise is unsuccessful in losing weight. Even if it is effective in a short time, it is easy to rebound. At the same time, if excessive dieting will be harmful to health, leading to malnutrition, osteoporosis and other hazards, it is recommended to adopt the method of dieting plus exercise. At the same time, after losing weight successfully, you still need to stick to exercise and fitness, otherwise it will easily rebound.