Obesity has been defined by the World Health Organization as a chronic metabolic disease such as, high blood pressure, high blood cholesterol, snoring, snoring at night and polycystic ovary syndrome in women leading to infertility. So how many pounds is considered obese? In fact, for obesity, there is a set of judgment standards: 1, body mass index: English abbreviation BMI. body mass index can be calculated by dividing body weight by the square of the height, such as 100kg weight, height 1.6m, with 100 ÷ 1.6 ÷ 16, the calculated result is the BMI index. BMI between 18-24 is normal, more than 24 less than 27.5 belongs to overweight, but does not belong to obesity. 27.5-32.5, belongs to mild obesity, 32.5-37.5 belongs to moderate obesity, more than 37.5 belongs to severe obesity, and then belongs to very severe obesity. Therefore, to determine whether it is obese, the first thing to do is to calculate the BMI index; 2, waist circumference: such as male waist > 90 centimeters, female > 85 centimeters, should be excluded from pregnant women, but also to consider whether it is obese. Due to the inconvenience caused by obesity, it has been bothering many people, so there are people who want to reduce the weight through the sleeve gastrectomy surgery, through the surgery can not only reduce the weight but also improve some related metabolic problems. However, sleeve gastrectomy surgery also needs to meet certain conditions If the body mass index is more than 27.5, accompanied by two or more related metabolic syndrome conditions, such as more than 27.5, with diabetes, high blood pressure, etc., you can consider doing weight loss metabolic surgery. Therefore, how many pounds can sleeve gastrectomy surgery, need to be based on the patient’s height, waist circumference, weight and the absence of related diseases and other comprehensive assessment.