The middle-aged body begins to decline, which is a normal manifestation of physical aging. If metabolism slows down and fat decomposition slows down, it will become fat. In addition, many middle-aged people have a good economic level and little exercise, and fat accumulation leads to obesity. During this period, we should pay attention to the fat content in the body and blood vessels. If it is too high, it is easy to have three highs or cardiovascular and cerebrovascular diseases. Conditioning is the key in this period.