In fact, a new type of equipment called fitness machine has been introduced. Body-building machine, the scientific name is far-infrared physical therapy body dryer, which is referred to as body dryer, clothes dryer, body-building machine, skin freshener and so on. It was invented by South Korea's GTT Group in the mid-1980s, and soon became popular in South Korea and Japan. 200 1, this machine came to China and became popular in domestic sauna clubs in 2003. Using this device for some kind of health maintenance is called health care.