Whether a woman can successfully conceive and have a healthy fetus is not only related to the quality of a woman’s eggs, but also to the quality of a man’s sperm, so men should eat more foods that can help improve sperm quality during the preparation period. The first thing is to eat more food with high protein and arginine content, because protein is the main raw material for the formation of semen, you can eat more lean meat, pork spinal cord, chicken and duck, eggs, fish and shrimp, soy products, etc.. Arginine is a necessary component for sperm production, so during the preparation period, you should eat more foods with high arginine content, such as eel, cuttlefish, sea cucumber, pork tendons, etc. Secondly, vitamins can provide raw materials for sperm, which is beneficial to sperm production and can also enhance the vitality of sperm, so you should eat more foods with high vitamin content, such as various types of fresh vegetables and fruits. Minerals and trace elements are also indispensable to ensure sperm quality, especially zinc, which can cause sperm scarcity and testicular atrophy if lacking. Therefore, you need to eat more shellfish, such as oysters, oysters, crabs, etc. You should also eat foods rich in sex hormones and calcium, such as kidney, kidney, chicken liver, shrimp, egg yolk, dairy products and kelp. It is best for men not to smoke or drink during the preparation period, not to stay up late and not to take drugs indiscriminately, and to develop regular habits and ensure sufficient sleep.