According to the World Health Organization (WHO) predictions show that: the early twenty-first century, male infertility and cancer, cardiovascular disease together to become a threat to human health life of the three major diseases. Statistics, Europe and the United States have 15%, China has about 10% of couples of childbearing age can not have children, and men account for about 30% -50%. The causes of infertility in men are numerous, among which life factors are receiving more and more attention from many scholars. The following life factors cause male infertility: 1, environmental factors: in addition to water quality, food pollution on reproductive function, exposure to radiation, some chemicals and metals and other harmful substances, but also some sensitive people spermatogenic cells are damaged, direct injury to the male gonads, causing sperm or azoospermia. 2, local high temperature: long-term high-temperature work, frequent hot baths, the habit of wearing tight pants, etc., so that the scrotal skin heat dissipation does not play a normal role, resulting in scrotal temperature regulation dysfunction, which increases the local temperature of the testes, hindering sperm production. 3, smoking and alcohol: some men are sensitive to the toxins in tobacco and alcohol, especially the reproductive system is more vulnerable, a large number of smoking can inhibit sperm motility and increase the number of deformed sperm; alcohol has a greater impact on the reproductive system, can directly damage the germ cells and endocrine function, resulting in sex hormone disorders, or induce prostatitis, impotence; alcohol can harm sperm, so that the fertilization of damaged sperm caused by abortion, deformities or Low-energy children. 4, drug influence: medical practice has proved: many drugs can cause male infertility, mainly the treatment of oncology drugs, anti-hypertensive drugs, hormones and sedative drugs. 5, intercourse reasons: first of all, should often keep the vulva clean, can prevent inflammation of the genitourinary system; frequent sex, so that the amount of semen is poor quality, immature sperm discharge, resulting in infertility; on the other hand, abstinence for too long, although the number of stored sperm increased, but the sperm in the epididymis will gradually aging and loss of vitality and fertilization ability, it can be seen that intercourse too often and too little are hindered by fertility. 6, mental psychology: many reasons for infertility, mental factors are very important, modern medical research shows that: emotions and gonadal activity is closely related, tension, anxiety, worry and other bad emotions can cause cortical dysfunction, so that the nervous system and endocrine dysfunction, testicular spermatogenesis and sexual dysfunction and infertility, someone special investigation and research, psychological disorders caused by infertility, accounting for about the total number of men infertility About 5% of the total number of male infertility. 7, diet and nutrition: sages in the long life practice found that certain food benefits male sexual function and fertility, modern medicine also shows that cholesterol, arginine and trace elements are closely related to fertility, such as animal offal, pigeon meat, bird meat, lean meat, beef, fish and shrimp, walnuts, sesame, tofu, milk and other foods containing high nutrition, not only conducive to the synthesis of sex hormones and sperm production, and can enhance male sexual function. And can enhance the sexual function of men. In addition, many Chinese medicines can improve the quality of semen. It can be used properly under the guidance of a doctor.