Abstract: Metabolic surgery for obesity and type 2 diabetes mellitus has been received more and more attention in the world. After the development for more than 10 years, metabolic surgery has been widely carried out in China. With the development and progress of the new field of surgery, many related problems have emerged. Besides absorbing foreign experiences, our own practical experience should be also gradually formed according to the patients, condition and the situation of the development of the discipline in China. Therefore, related questions were explored in this article, in order to promote the healthy development of metabolic surgery in China.