The time to prepare for pregnancy should be determined according to the personal condition of both spouses, and most of the patients’ time to prepare for pregnancy is about three months to six months. It is advisable for patients to quit smoking and drinking during the first three months of pregnancy, pay attention to a diversified diet, ensure adequate nutrition, get enough sleep, have sufficient physical strength, and take appropriate physical exercise to improve immunity and strengthen the body, so as to actively prepare for pregnancy in the best physical condition, which is conducive to eugenics and fertility.