The occupation of welder has an impact on male fertility. The male external genitalia, especially the scrotum, where the testicles and epididymis are located, is the site of sperm production. If you are in a high temperature environment for a long time, it will lead to a decrease in sperm vitality, high deformation rate or a decrease in semen volume, which will have an impact on fertility. The nature of the welder’s work is generally squatting way, the perineum is susceptible to a certain degree of compression, the local temperature of welding is also very high long-term in this working environment, it may affect the quality of male semen. So for men with fertility requirements, it is best to stay away from welding work for a short period of time, at least six months of conditioning. Also quit smoking and drinking, avoid staying up late, avoid spicy and stimulating foods, eat more fresh fruits and vegetables, and develop good habits for fertility is also helpful.