1, the scrotum temperature is too high after a long time high-temperature bath, sauna, wearing poorly ventilated tight pants, a long time to sofa as a seat, etc., can cause the scrotum temperature is too high and hinder sperm production. 2, emotional and psychological factors men frustrated and unhappy state of mind, excessive mourning, etc., can affect testicular sperm production, sexual function is low. The company’s main business is to provide a wide range of products and services to its customers. 4, dietary and nutritional factors Zinc is closely related to sperm production. An ejaculation can lose 600 to 1000 micrograms of zinc. After sex should be timely replenishment of aquatic products, milk, oysters, animal liver and kidney and other sperm-rich meals. 5, long riding motorcycles, bicycles long riding motorcycles, bicycles can make the testicles local extrusion, shock, upsets, damage sperm production, inducing infertility. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. Excessive alcohol abuse can lead to chronic alcoholism, sperm stunting or loss of motility.