Taking a shower after exercise is not good for the organism, whether it is a hot shower or a cold shower, it is not good for the organism to recover. Because just after exercise, especially a lot of sweating, the body is in heat dissipation needs, peripheral vascular expansion, this time to take a hot bath, will lead to peripheral vascular expansion more obvious, and cause abnormal blood distribution throughout the body, readjustment leads to a reduction in blood supply to the heart, brain and kidneys important organs, easy to cause syncope, and even induce cardiovascular disease, cerebral hemorrhage, etc.. So to relax after exercise for a period of time, such as the end of sweating, heat dissipation almost, and then go to the shower, to relieve fatigue, increase the body’s comfort are beneficial. After exercise also can not immediately take a cold shower, because the heat needs vasodilation, and cold water will make the blood vessels immediately contracted, is not conducive to heat dissipation of the body, easy to cause internal environmental disorders and induce disease, so after exercise can not immediately take a shower, need a period of relaxation, and then go to the shower, the body is good.