Women can exercise appropriately after intercourse in preparation for pregnancy, but they should not do strenuous exercise. Strenuous exercise may cause the formation of a fertilized egg to move too far and lead to an increased chance of ectopic pregnancy and also increase the chance of preterm abortion. Women need to stay relaxed after intercourse during the preparation period, so that they can work and study normally, avoid getting cold and flu, and also pay attention to avoid the adverse effects of bacteria, viruses, drugs and radiation on the body, and adopt a healthy lifestyle to enhance their physical fitness, which is conducive to maintaining a healthy body and the normal growth and development of the fertilized egg in the uterine cavity. From the perspective of eugenics, women should adjust their body properly during the preparation period and pay attention to taking small doses of folic acid tablets to prevent neural tube abnormalities in the fetus.