China’s obese people have more than 70 million people, the obesity rate has reached 5.1%, the traditional weight loss through exercise or diet control method has been the main method of treatment of obesity, but the results are little, and easy to rebound. Surgical methods of weight loss is currently achieved good results, from the hospital has been carried out surgery, obesity weight loss effect can be reduced within 1 year overweight part of the 30% -60%. Gastric reduction surgery: Gastric reduction surgery is known as laparoscopic gastric reduction surgery, also known as sleeve gastrectomy, the principle of gastric reduction surgery is to use laparoscopy to cut out the great curvature of the stomach vertically, so that the stomach to form a small stomach pouch of about 150 cc, which can hold about 4-5 ounces of food. The benefits are that it does not require the placement of foreign objects in the body and the surgery is highly effective in weight loss. Although the procedure is very safe, there are some precautions to be taken. First of all, the patient’s eating habits will change dramatically after the surgery, and eating too much or too quickly may cause nausea and vomiting. Some patients need a longer period of time to change their diet. The diet should be mainly liquid for two weeks, then soft food for two to four weeks, and then solid food can be added slowly, sometimes it may take 3-6 months to get used to it.