For couples preparing for pregnancy, it is usually recommended that during the preparation period, women should take folic acid in advance to prevent fetal neurovascular malformations, and men in the preparation period can consider taking Dingkundan, or six flavors of dihuang pills to enhance sperm vitality. In order to carry out eugenics, it is recommended that women with fertility requirements should also do relevant pre-pregnancy examinations before preparing for pregnancy. Women should consider normal gynecological screening for two cancers: TCT, HPV, blood tests for thyroid function, eugenics 10 (i.e., torch), and immunization against infectious diseases, etc. Men usually do not need special examinations, but men should take folic acid in advance to prevent fetal neurovascular malformations. Men usually do not need special tests, but men can consider taking kidney tonic and aphrodisiac herbs to enhance sperm vitality during the preparation period, only semen and sperm are normal can make the embryo better quality, at present the commonly used ones are Dingkundan and Liuwei Di Huang Pill, which are the medicines that can be taken during the preparation period, and they will not have any other adverse effect on the men’s body. Even in the non-preparation period, if there is a kidney deficiency performance can also be taken. However, preparation for pregnancy is a matter for both husband and wife, and it is necessary for women to take folic acid to prevent fetal neurovascular malformations, in order to avoid physical defects in the fetus. During the preparation period couples are forbidden to stay up late, it is best to avoid smoking and alcohol, do not overwork, while eating a light diet, balanced nutrition to do.