Sleeve gastric is generally referred to as sleeve gastrectomy, a type of stomach reduction surgery commonly used to treat conditions such as obesity and diabetes. Sleeve gastrectomy can be laparoscopically cut the greater curvature of the stomach vertically, so that the stomach into a sleeve stomach, this type of surgery can reduce the volume of the stomach, but also does not change the physiological state of the gastrointestinal tract, will not affect the normal digestion and absorption of food process, but also on diabetes, obesity, and have a certain therapeutic effect. It should be noted that sleeve gastrectomy is not recommended for non-obese type 1 diabetic patients, gestational diabetes and some special types of diabetes, BMI below 25kg/m². Patients who need to undergo sleeve gastrectomy should consult a medical professional rather than making a blind judgment on their own.