Long-term adherence to regular sit-ups, combined with dietary control, can lead to weight loss. Obesity caused by disease, drugs and other factors should also be excluded. Sit-ups are a common form of exercise, action specification and adhere to a period of time, have the effect of fat burning. If long-term adherence to sit-ups, while paying attention to diet control, after a period of time usually can achieve weight loss. Before exercise should be fully warmed up, to avoid excessive exercise or movement irregularities caused by muscle tissue injury or other accidents. After doing sit-ups, you can properly massage the abdomen, which helps to promote local blood circulation and avoid the accumulation of lactic acid in the abdomen causing soreness. Should also rule out Cushing’s syndrome, polycystic ovary syndrome and other diseases, or dexamethasone and other drugs caused by obesity, these causes of obesity through exercise is usually difficult to lose weight, but also need to actively treat the original disease. It is recommended that people with weight loss needs to establish a correct concept of weight loss, develop a reasonable weight loss program, and consult a doctor if necessary.