The couple should eat the following foods in their daily lives to improve their fertility: 1, zinc-rich foods: various plant foods with high zinc content include beans, peanuts, millet, radish, cabbage, etc.; various animal foods, oysters are the richest in zinc, in addition, beef, chicken liver, eggs, lamb chops, pork, etc. also contain more zinc. 2, animal offal: this kind of food contains more amount of cholesterol, of which, about 10% is about adrenal cortical hormone and sex hormone, appropriate consumption of this kind of food, to enhance sexual function has a certain role. 3, slippery food: according to research has confirmed that arginine is a necessary component of sperm formation, and can enhance the activity of sperm, the maintenance of the normal function of the male reproductive system has an important role to play. Arginine-rich foods are eel, sea cucumber, cuttlefish, octopus, wood pine fish, sesame, peanut kernel, walnuts.