The following factors are usually involved in post-exercise fatigue: 1. Excess glycogen is broken down and consumed during exercise, and failure to replenish and consume glucose in a timely manner will increase the catabolism of sugar, thus producing a negative nitrogen balance and resulting in hypoglycemia. 2. The clinical symptoms and manifestations of post-exercise weakness will also occur if there is too much water loss. 3, when exercising without timely replenishment of body fluids, the body will also lose excess ions with excess body fluids, and hypokalemia will have obvious post-exercise weakness, accompanied by body weakness and other serious conditions. 4, finally, in addition to the original hypertension, coronary heart disease, cerebrovascular disease, excessive exercise will also make the cardiovascular and cerebrovascular Finally, in addition to the original hypertension, coronary heart disease, cerebrovascular disease, excessive exercise will also make the cardiovascular and cerebrovascular blood supply is insufficient, resulting in myocardial ischemia and cerebrovascular ischemia, there will also be clinical symptoms of post-exercise weakness.