The normal value of muscle content is 35%-45% of the human body, there are about 639 muscles in the normal human body, each of which is different in size and weight and consists of 6 billion muscle fibers. Generally the muscle content of men is higher than that of women, which can indirectly reflect the health status of the human body, and both high and low are unhealthy. The proportion of muscle content and many factors are related, such as height, weight, etc.. So if you want to increase the muscle content and reduce the fat content, you can do more exercise and at the same time with a reasonable diet. Muscle rate is the human body weight, height and body muscle content calculation, male muscle rate below 30% is low, higher than 40% is high, female muscle rate below 25% is low, higher than 30% is high.