Obesity is a disease state characterized by the accumulation of abnormal or excessive fat that threatens human health. With the rapid development of the economy and society and the change in lifestyle, obesity is highly prevalent in our country and has become an important disease that threatens the health of the population. Different from traditional non-surgical treatments, metabolic and bariatric surgery has a definite curative effect, is not easy to rebound, has good safety, and has sufficient evidence of clinical benefit, which can make many obese patients, especially those with moderate to severe obesity, fully recover. The treatment of obesity has become an important means in the comprehensive treatment of obesity. This article intends to describe the application of bariatric metabolic surgery in the comprehensive treatment of obesity from three aspects: bariatric surgery indications, surgical method selection, and perioperative multidisciplinary intervention.