It is important to pay attention to the change of diet structure, eat more high-quality protein and supplement amino acids, especially arginine, which is important for sperm production. Chinese yam, eel, sea cucumber, crab, black fish, tofu skin, walnuts and sesame all contain high levels of arginine. And trace elements also play a vital role in male reproduction. Studies have shown that a lack of zinc in the human body can lead to a decrease in the number of sperm, an increase in deformed sperm and a decrease in sexual function. Therefore, the diet should be appropriate to include millet, corn, sweet potatoes, soybeans, pumpkin and seafood oysters and other foods that contain more zinc; selenium has a great role in the generation of sperm and maintaining the stability of the sperm structure, etc. Foods with high selenium content are mainly jellyfish skin, kelp, cuttlefish, clams, seafood such as nori. Vitamins A, B, C, and E are important for providing raw materials for sperm and semen, promoting sperm production, and enhancing sperm vitality, and are also important substances that are indispensable for maintaining the entire metabolic process of sperm. They are mainly found in animal livers, vegetable oils, green leafy vegetables and carrots, peas, tomatoes, lentils, pumpkins, potatoes, dates and fresh fruits. In addition, you can supplement purple vegetables such as cauliflower, purple potatoes and purple onions, which contain anthocyanins that have good antioxidant effects and can protect sperm from damage.