What is the method of reducing stomach size?

The method of reducing stomach includes diet conditioning, exercise, application of surgery, etc., as follows:

Under normal circumstances, the human stomach has strong contraction and relaxation ability, and it is recommended that patients reduce stomach through diet conditioning, such as eating less and eating more, eating digestible food, etc. Some patients can also suppress appetite by adding abdominal exercise to indirectly help reduce stomach. For some patients with obesity, surgery can also be taken if necessary to reduce stomach, such as laparoscopic sleeve gastrectomy, gastric banding surgery, gastric bypass surgery, etc.