There is little harm in running. It's not that you are prone to aging, skin degeneration and short life. Regular running can strengthen the body, accelerate metabolism, make the body run better and improve the quality of sleep. Running can effectively promote blood supply and oxygen supply to the brain. Of course, running must be in the right posture, not too much exercise or too long. Running can enhance human metabolism and basal metabolic rate, and has a good effect on losing weight, reducing fat, exercising, enhancing immunity, antiviral ability and resistance. Long-term running is an effective aerobic exercise, which can have a good effect on cardiovascular endothelial system and effectively reduce the incidence of serious cardiovascular and cerebrovascular diseases such as coronary heart disease, acute stroke and cerebral infarction. Regular running can also reduce blood lipids and significantly reduce the concentrations of triglycerides, cholesterol, uric acid and blood sugar, so it has a good effect on the prevention and health care of the above diseases. Long-term running will promote and regulate gastrointestinal digestion and absorption.