The preparations to be made before having a baby include pre-pregnancy examination, psychological preparation, nutritional supplementation, good living habits and proper exercise. 1. Pre-pregnancy checkups: women generally need to undergo a full body physical examination and screening for infectious diseases, but they also need to undergo gynecological ultrasound, leukorrhea routine, sex hormone six and other reproductive system checks. Boys also need to carry out prostate, semen routine and other items to check. 2. Psychological preparation: It is recommended that both men and women should pay more attention at the same time, maintain a good state of mind, and avoid too much emotional tension and anxiety, so as not to affect the conception. 3. Supplementary nutrition: It is recommended that both men and women pay attention to a balanced diet and eat more nutritious food, such as fruits, eggs, milk and so on. 4. Adopt good living habits: It is recommended that both husband and wife quit smoking and drinking, develop good living habits, regular work and rest, and avoid staying up late. 5. Appropriate exercise: men and women can be appropriate aerobic exercise, improve immunity, enhance physical fitness, but also help to get pregnant. You need to take folic acid tablets during the preparation for pregnancy, and you also need to avoid contact with radiation and toxic chemicals.