Sweating has certain effects on men, which may be detrimental to the development of sperm. Sweat steaming as a more common health care way of life nowadays, mainly through the water vapor heating to prompt the body to sweat. Appropriate steaming can promote the body’s blood circulation speed up, have eliminated fatigue, health care effect. However, the high temperature of steaming may affect the function of male spermatogenesis and the quality of semen. This is because the optimal temperature for male testicles to produce sperm is about 35 degrees, when the testicular temperature exceeds 37 degrees, it may inhibit the production of sperm, leading to azoospermia, oligospermia, weak spermatozoa and so on. So men avoid sweating steam or other high temperature environment during the preparation for pregnancy. It is recommended that the male population should pay attention to the control of time and temperature when steaming, and avoid steaming if they have fertility needs.