It is sufficient to prepare for pregnancy three to six months in advance. If the couple decides to get pregnant, it is first recommended to have a pre-pregnancy checkup, including a full body organ checkup to see if the organs are functioning normally. Obstetrics, it is recommended to check the four infections, the presence of infectious diseases, and eugenics ten; for women can also check the uterus, adnexa, cervix and other abnormalities, men can check the sperm status, to see if there is weak spermatozoa, necrosis and so on. In terms of lifestyle precautions, both men and women need to pay attention to dietary cleanliness and hygiene, as well as paying attention to balanced nutritional intake. Both husband and wife need to quit smoking and drinking, and both are recommended to take oral folic acid tablets to prevent fetal neural tube defects. Finally, maintain a good mood and mentality, is also beneficial to the preparation for pregnancy, usually do early to bed and early to rise, do not stay up late, appropriate exercise, improve the body’s immunity.