Unfiliality is a big deal. The traditional Chinese concept that a couple cannot have children after marriage is a very unfilial thing, although this concept has now changed a lot, but suffering from male infertility is still a heavy burden of thought. What are the causes of male infertility? Medical experts suggest that there are some male infertility that can be prevented and avoided if good lifestyle habits are adhered to. First, you should do a good job of premarital examination, through medical examination, early detection of abnormalities, you can avoid the pain after marriage. After marriage, you should often communicate with your wife about the problems encountered in sexual life, cooperate and understand each other, so that many mental impotence or premature ejaculation can be avoided. Second, change bad habits, quit smoking and drinking; do not eat too greasy things, otherwise it will affect your libido; also pay attention to avoid contact with toxic substances in life, such as: clothes taken back from the dry cleaners should be placed for a few days before wearing, because dry cleaning agents can affect the sexual function of men. Third, to be vaccinated on time, good personal hygiene habits to prevent a variety of infectious diseases that endanger male fertility, such as mumps, sexually transmitted diseases, etc. Fourthly, attention should be paid to the protection of the testicles and other reproductive organs. The testicles are a very delicate organ, its optimal working temperature is about 1 degree lower than the human body temperature, if the temperature is high, it will affect the production of sperm, so any factors that can raise the temperature of the testicles should be avoided, such as: long bike rides, hot baths, wearing jeans, etc. Fifth, we should start to do a good job of sex education and health education from adolescence, master certain sexual knowledge, understand male physiological characteristics and health care knowledge, if you find that the testicles have different changes from the usual, such as: enlargement, hardening, bumpy, pain, etc., must be timely diagnosis and treatment. Sixth, we should cooperate and understand each other in conjugal life, otherwise sexual dysfunction such as impotence, premature ejaculation after or abnormal ejaculation will easily occur. Seventh, to strengthen the sense of self-protection, especially should do a good job occupation. Protection if you are often exposed to radioactive substances, high temperature and toxic substances, must be in strict accordance with the operating regulations and protection regulations operations, do not be negligent, if you want to have children in the near future, it is best to be able to get out of such work for six months before having children.