You can take a bath after 0.5 hours after exercise, because just after exercise, the body’s pores are in an open state, wind, cold and other evil vapors can easily enter the body’s interior through the body’s pores and cause disease. The relative increase in blood circulation of the limbs and skin when taking a bath, causing a relative lack of blood to the brain and heart, may occur cardiovascular diseases, such as stroke, heart attack, etc. Before taking a bath, it is best to drink a glass of warm water or light salt water to replenish the water lost during exercise, because the process of bathing may also lose some water at the same time. Do not take a cold shower, it is best to take a warm shower, the water temperature is slightly lower than body temperature or equal to body temperature can be. Bath time should not be too long, more than 10 minutes is good, too long can also cause discomfort in the body.