It is possible to take a shower after exercise, but it is not advisable to take a shower immediately after exercise, usually 30 minutes after exercise is the best time to take a shower. First of all, if you take a shower immediately after exercise, your body will have hypoglycemic reaction due to excessive consumption during exercise, when glycolysis and gluconeogenesis pathways consume a lot of glycogen in your body. If not replenished in time, hypoglycemia will occur transiently, and this bath will aggravate the hypoglycemic response, and may even lead to hypoglycemic coma. Secondly, immediately after exercise, bathing, the body sweat pores will open, then bathing after the damp and cold will invade the body, leading to rheumatism and other diseases occur. Finally, after exercise, the body skeletal muscle is congested state, the heart blood supply is relatively small, the immediate bath will make the original heart disease aggravated. Therefore, 30 minutes after exercise before bathing is the best time.