Rainy day is not the best choice of steam. Because in the rainy days, the outside environment is in a wet, cold mixed environment, sweating steam after the body around the sweat hole will open, especially when the body temperature has not dropped to normal, cold and damp gas is easy to enter the body from the sweat hole orifice. Many people do not pay attention, so the next morning up will feel the body’s soreness, heavy, over time there will be chronic rheumatism, rheumatoid diseases, but also arthritis, joint pain, which is cold and dampness of the gas retention in the body caused by. If in the rainy day steam, must wait for the body temperature and the outside world to reach a complete balance, no longer sweat, then the sweat hole will return to the normal state of closure, cold and dampness can be retained outside the body, not into the muscles, the skin inside the body and cause harm. But it is difficult to ensure that this situation, the cold and dampness has been blocked outside the body, so in the rainy days do not go to the steam.