Preparation for pregnancy is the key to eugenics, and to have a healthy and active baby, couples need to do a variety of preparations before conceiving. It can be prepared from several aspects, such as physical, psychological and dietary. 1, physical conditioning Both men and women should preferably go to the hospital for a full body checkup to understand their health status, because the normal function of the body is a prerequisite for the conception of a baby. Want a strong body, in addition to regular routine, need to adhere to physical exercise to strengthen the immune system, but also in the exercise can relax the tired and anxious mood. Recommended exercise programs: jogging, walking, aerobics, excursions and other activities. It is not recommended to carry out cycling activities for a long time, etc. 2, psychological adjustment before pregnancy need to adjust their mindset, a good state of mind is one of the important factors for a successful pregnancy. Don’t take some trifles of life to heart. Do not be angry, impatient, depressed, etc., because these will affect the mood. Learn to self-regulate for some things that cannot be avoided. Make sure you get enough sleep every day, otherwise your immune system will be affected, which is not conducive to pregnancy, and let yourself have a happy mood. 3, diet adjustment Both sides should pay attention to diet diversification, strengthen nutrition, balanced diet. Male side: quit smoking and alcohol. The damage of alcohol to sperm has been familiar for a long time, and a variety of harmful substances in cigarettes can also kill sperm. Therefore, stop drinking and smoking before conception. Female side: Folic acid supplementation. Folic acid plays a big role in the healthy development of the baby. Folic acid deficiency may lead to incomplete brain development or malformation of the fetus, so women should consume sufficient folic acid before conception. Foods rich in folic acid include amaranth, spinach, lettuce, asparagus, chard, etc. A daily supplement of 0.4 mg of folic acid is required in early pregnancy.