Unlike Khan steam sauna, just simply rely on high temperature so that the body sweat, sweat steam room temperature is generally between 38-42 degrees, sweat steam room has been able to play so many roles, or by one of the functional materials. Negative ions and far-infrared light and so plays a vital role. Causes "dysmenorrhea" is mainly due to the big chill the female body, uterine contractions cause muscle cramps or uterine ischemia caused by poor blood flow. Khan, steam can be increased by deep subcutaneous tissue temperature, carminative relieving. Anion, far infrared can be bactericidal, anti-inflammatory, promote blood circulation, improve microcirculation, which can effectively improve the "dysmenorrhea" symptoms due to poor uterine bleeding and other causes.