After nearly 70 years development,bariatric and metabolic surgery has become one of the most innovation and technical challenges sub-specialty in general surgery.Jejunoileal bypass, Roux-en-Y gastric bypass,vertical banded gastroplasty,biliopancreatic diversion and duodenal switch, adjustable gastric banding and sleeve gastrectomy have ever dominated during the development of bariatric and metabolic surgery. In addition, new procedures such as minigastric bypass,are also being developed. Improvement in minimally invasive surgery, cognition of gastrointestinal and metabolic physiological mechanisms, and multidisciplinary treatment promote the development of bariatric and metabolic surgery.