1, as far as possible without or less use of various chemicals, from the dry cleaners to get back the best clothes for a few days before wearing, because dry cleaning agents can affect male sexual function; go to bed before 11 o’clock every day, sweat every day, try to eat unprocessed natural food. 2.Prevent various infectious diseases that endanger male fertility, such as mumps and sexually transmitted diseases. 3, found that the testicles have different changes from the usual, such as enlargement, hardening, bumpy, pain, etc., must be timely diagnosis and treatment. 4.Avoid excessive noise. According to the data, it is proved that men live in the environment of 70-80 decibels of noise for a long time, sexual function tends to be weakened, living in the high noise environment of 90 decibels or more sexual function disorders. 5, avoid long masturbation. It will trigger slow congestion of the prostate gland, leading to sterile prostatitis, affecting semen nutrients, quantity, viscosity, acidity and induce infertility. 6, do not eat too greasy food, quit smoking and alcohol. The germ cells in the testicles are affected by the harmful components of tobacco, making the quantity and quality of sperm poor, more sterile or to deformed children. Excessive alcoholism can lead to chronic alcoholism, sperm stunting or loss of mobility. 7, avoid strain: work to moderate, avoid strain, relaxed mind, overworked, mental stress will have a negative impact on the growth of sperm. 8, avoid steam bath: less to sauna, steam bath, high temperature steam bath easy to directly harm male sperm, inhibit sperm production.