Many people know that obesity can cause a series of metabolic diseases, such as hypertension, diabetes, etc., has a great impact on health, so many people will actively lose weight, and exercise is one of the common methods of weight loss. But many people also ignore the point that obesity is also very serious damage to the joints, especially the knee joint. There is a layer of articular cartilage between the bones in our body, which can reduce the friction between two adjacent bones, cushion the vibration generated by the movement, and play an important role in the activity, and the knee joint is the largest weight-bearing and most athletic joint in the human body, so the knee cartilage is also the most problematic joint cartilage. Knee cartilage is non-renewable and is in a state of wear and tear for almost its entire life, and our daily actions can deplete it to varying degrees. For example, when we stand and walk, the weight on the knee is about 1 to 2 times our body weight, when we run it can be 3 to 4 times, and when we kneel it can be 8 times our body weight. This means that the higher our weight the more serious the wear and tear on the joints, in running, jumping these movements to be more obvious, if the degree of obesity is high, there may be direct problems in the weight loss process, so doctors have always advised those who are fat through running and other forms of exercise to lose weight. Heavy obese people can consider using weight loss metabolic surgery to lose weight, this weight loss method is not only effective, safety is also better, now those mature weight loss metabolic team in the patient before the surgery, will be based on the patient’s physical condition, age, living environment and past case experience to develop the most suitable for their surgical program, at the same time there are special people for post-operative follow-up management. To ensure the safety and effect of the surgery, it is ideal for those who are severely obese.