Women’s preparation for pregnancy is recommended to eat more food rich in folic acid, men can eat more food containing zinc in moderation. Women’s preparation for pregnancy is recommended to eat a reasonable diet, usually can eat more food rich in folic acid, such as green leafy vegetables, fruits, etc., in addition to the recommendation to eat more food rich in protein and trace elements, such as deep-sea fish, deep-sea shrimp, eggs, milk, nuts and so on. Men are mainly to improve the sperm vitality during the preparation for pregnancy, appropriate to eat some zinc-containing food, such as oysters, fish, pig liver, etc., zinc can promote the development of sperm production and energy, improve the sperm vitality. In addition to paying attention to diet, men and women should also maintain a healthy lifestyle during the preparation for pregnancy, avoid staying up late, too much mental stress, etc., should follow the doctor’s advice to supplement folic acid, to avoid fetal neural tube deformities, you can go to the hospital to carry out eugenics examination.