For women who are preparing to have a child, it is usually necessary to take folic acid, and it is recommended to start taking folic acid in the first trimester of pregnancy preparation. The purpose of folic acid for women is to prevent the presence of fetal neurovascular malformations and it should be taken in the first trimester of pregnancy or in the first trimester of pregnancy preparation. It is also recommended that women should pay attention to the following matters during pregnancy preparation, first of all, do not exert yourself, relax and try to take rest. During the preparation period, it is important to pay attention to the hygiene of the vulva and to arrange intercourse on alternate days during the ovulation period to prepare for pregnancy, which will have a higher chance of success.