1.Unreasonable diet structure Excessive amounts of fat, cereals and other carbohydrates in a partial diet or in the diet structure cause excessive calorie intake. Additionally, sitting still after ingesting food leads to fat deposition and adipocytes increase in the human body, which becomes fat and accumulates in the abdomen. 2. Too little exercise People are accustomed to comfortable living environment and lack the awareness and behavior of exercise. 3. Mental factors Eating and drinking to relieve the unhappy mood , these can increase the number of calories, leading to obesity. 4. Poor posture The abdominal muscles are not strong enough. People who are used to leaning forward while sitting, or who are used to bending down when walking, will unconsciously lean forward and form abdominal fat. 5. Eat too much fine processed food Finely processed foods include snacks, cakes, chips and many foods that cannot be identified by raw mater...