It is your wish to raise a healthy, smart, lively and lovely baby, and it is also the constant pursuit of our medical workers! We all know that the birth of a new life is the recombination of the genetic material of both parents, which requires us to do a good job of protection from the source, for men should pay attention to what aspects in order to protect their “seed”? Keep a happy mood and try to create a happy and peaceful family atmosphere; eat more green foods, such as vegetables and fruits; eat more foods that promote sperm production and improve its vitality, such as walnuts, quail eggs, small tomatoes, etc.; prohibit exposure to radiation, such as X-rays, CT, MRI, etc., in the three months before conception; wear less tight triangular shorts and loose cotton products; go to high-temperature environments, such as welding sites, processing stoves, etc. Do not go to high temperature environments, such as welding sites, processing stoves, saunas, etc.; do not contact with toxic and harmful chemical products, such as pesticides and insecticides; do not smoke, drink alcohol and carbonated beverages such as Coke and Sprite; do not use drugs casually and privately; take a small amount of natural vitamins E and C, which are beneficial to sperm; establish a scientific and regular sex life.