People with thin bodies are suitable for running, which can improve cardiopulmonary function, enhance physical fitness, and improve digestion and absorption. Running is a good aerobic exercise, regardless of fat and thin people. Thin people are also suitable for running, can accelerate blood circulation in the body through running, improve cardiopulmonary function, enhance their physical fitness, help gastrointestinal peristalsis, improve digestion and absorption function, help thin people become strong, it is good for the body, so that the body is in good condition. But pay attention to according to their own situation, gradually and gradually extend the time of running, control the time and intensity of running, according to their ability. Pay attention to stretching after running and warming up before running. And pay attention to nutritional supplementation.