Simple obesity refers to a certain degree of significant overweight and excessive fat layer, a state caused by excessive accumulation of body fat, especially triglycerides. It does not refer to mere weight gain, but a state of excess accumulation of adipose tissue in the body. Due to excessive food intake or changes in body metabolism, excessive fat accumulation in the body causes excessive weight gain and causes pathological and physiological changes in the body. And morbid obesity refers to a very common chronic disease, not only can a large number of disability, early death, affecting the quality of life and so on. Obesity hazards: 1, obese people are prone to endocrine and metabolic diseases, because obesity leads to abnormal metabolism and endocrine in the body, often can cause a variety of metabolic diseases such as: diabetes, hyperlipidemia, hyperuricemia, etc., female menstrual disorders; 2, obesity can also be complicated by sleep apnea syndrome, venous thrombosis: increase the risk of anesthesia and surgery; increase the incidence of malignant tumors, obese women Endometrial cancer in obese women is 2-3 times higher than normal women; 3, scientists found that the incidence of cerebral embolism and heart failure in obese people is 1 times higher than normal weight people, coronary heart disease, hypertension, diabetes, cholelithiasis is 3-5 times higher than normal people, due to the attack of these diseases, people’s life expectancy will be significantly shortened, etc. Treatment: diet and exercise through their own control of diet and strengthen exercise exercise to light, moderate obesity has a certain effect, with extremely easy to rebound BMI>32, 5kg/m obesity that is morbid obesity, the masses of the traditional through the largest number of diet, the largest number of exercise sweating, or even more through liposuction and other ways of treatment of the body has a greater risk of weight loss can not achieve the desired effect Weight loss metabolic surgery may be the only means for patients to achieve long-term and stable weight loss. Bariatric surgery began in the 1950s and has become a routine and established procedure abroad. The procedure addresses the root of the problem of food intake and nutrient absorption, and can not only reduce weight, but also treat a variety of metabolic diseases associated with obesity, such as diabetes, fatty liver, hypertension, hyperlipidemia, cardiovascular disease, sleep apnea syndrome, arthritis, depression, and menstrual disorders in women. Indications for bariatric surgery: Those with one of the following 1~5 may be considered for surgical treatment: 1. Simple obesity with BMI>32kg/m2 is recommended for bariatric surgery. 2, Age 16 to 65 years; no other contraindications to abdominal surgery, etc. 3.When waist circumference >90cm for men and >80cm for women, the recommended level of surgery can be increased as appropriate. 4.Stable or steadily increasing weight for more than five consecutive years with BMI ≥32kg/m. 5.Confirmed the presence of obesity-related metabolic disorder syndrome, such as: type 2 diabetes, fatty liver, cardiovascular disease, hyperglycemia, hyperlipidemia, hypertension, sleep whistling pause syndrome, etc. and predicted that weight loss can be effectively treated. Weight loss surgery brings not only weight loss, but also alleviates the occurrence of all kinds of complications, which can be a multi-benefit!