Men in the process of preparing for fertility, in addition to quitting smoking and alcohol, exercise, avoid contact with toxic and harmful substances and drugs, should also consume zinc-rich foods, increase the antioxidant food, reduce the intake of fats and sugars, but need to make it clear that the food does not have the therapeutic effect of drugs, if it is to check out the relevant diseases should be actively seeking medical treatment. 1. Zinc-rich foods: Zinc deficiency can lead to a reduction in sperm count and hypogonadism, increasing zinc intake can improve fertility, such as oysters and sea cucumbers. 2. Increase antioxidant foods, such as fresh vegetables, fruits, whole grains and beans. 3. Reduce the intake of fats and sugars: foods rich in fats and sugars cakes, cookies, fried foods, pizzas, tarts, animal fats and drinks with added sugar. In addition to the above dietary recommendations, in the process of preparing for pregnancy and contraception, semen analysis can be routinely carried out in the examination, according to the results of the examination by the reproductive physician to provide professional advice on preparation for pregnancy.