Pregnancy is a simple and complicated process, and only if the conditions of both spouses are suitable in all aspects can the purpose of smooth conception be achieved. The first thing is to go through a period of preparation for pregnancy and to develop good dietary and living habits, reasonable diet, moderate exercise and adequate rest to achieve the best health condition. 2. Before preparing for pregnancy, both spouses should undergo systematic preconception checkups to exclude some pathological factors that affect normal pregnancy and fetal development. 3. The couple should choose a suitable method to accurately calculate the ovulation period of women, and arrange for intercourse on the day of ovulation and within two days before and after the day of ovulation to improve the chances of conception.