Preparation for pregnancy should eat more fresh fruits and vegetables, but also supplement folic acid, in addition, also eat more high protein, high vitamin food, improve the body’s immunity. Prepare for pregnancy need to supplement folic acid, folic acid can prevent fetal neural tube malformation, diet should pay attention to eat more food containing folic acid, such as spinach, lettuce, bananas and so on. Eat more high-protein and high-vitamin foods, such as a variety of meats, eggs, milk, yogurt, a variety of fresh vegetables and fruits, not only to improve the body’s nutritional needs, but also to improve the body’s immune system. Before preparing for pregnancy, both men and women should quit smoking and ban alcohol, pay attention to the regularity of life, do not stay up all night, which is conducive to the success of conception.