However, gastric bypass surgery is the safest and most effective way to lose weight. It has been popular abroad for a long time, but it has not been popularized in China. It used to be an incision in the stomach. Now as long as we make a few small holes in the stomach with an endoscope, we can reduce dozens or even hundreds of kilograms a year. The first case of endoscopic surgery was Jinan University Hospital in Guangdong Province, which has not been popularized yet. Let's wait until the technology is mature for a while.