A. Proper control of alcohol and tobacco Long-term alcohol abuse can affect spermatogenesis and inhibit the synthesis of androgens and reduce sexual function, if excessive daily alcohol consumption, the impact will be very obvious. Excessive smoking can cause oxidative damage to sperm DNA and a decrease in sperm quality. The sperm production is related to the health condition of the body, and poor physical condition and mental factors will affect the production and quality of sperm. Three, do not soak in hot baths, hot springs, saunas testicles exposed to high temperature environment can temporarily inhibit sperm, affecting the number and vitality of sperm. Four, avoid sitting in offices and cars for long periods of time, wear relatively loose and breathable clothing and pants. Five, the diet structure should be reasonable, eat more vegetables and fruits, appropriate vitamin supplement.