Male infertility patients, in addition to congenital genetic factors and their own development factors, a considerable part of the bad habits and the nature of work are related, if you can pay attention to the following points in daily life and work, will be of great benefit to protect their fertility. 1, to develop good habits. Do not smoke, alcohol, good eating habits, do not picky food, do not often eat fast food. Try to drink less coffee and carbonated drinks, avoid food containing preservatives and coloring agents. 2, do not wear tight underwear, do not take sauna, do not sit in the bath, often less sedentary soft sofa, in order to ensure the appropriate testicular sperm production temperature. 3, do not dye your hair, do not bake oil, to prevent certain chemical components on the reproductive function of the damage. 4, do not contact the computer for a long time, pay attention to the protection of ion and ray radiation. 5, for some special occupations of men to enhance awareness of the protection of reproductive function. Such as painting, welding, leather manufacturing, chemical companies, chefs, drivers, etc., because these occupations have a certain impact on male reproductive function, it is recommended that unmarried or infertile, to do a good job of protection, on the original reproductive capacity of men who have declined, it is best to change jobs to avoid losing more than you gain this happens. 6, strengthen exercise, avoid obesity. Regularly participate in some physical exercise, not only can strengthen the body, improve the body’s immune system, effective prevention of various bacterial and viral infections, but also to avoid the decline in sperm quality due to obesity.