Both husband and wife need to do the examination before pregnancy preparation, in the case of both the body is normal, the success rate of conception is higher. Women need to do examinations such as: first, gynecological examination, ultrasound to rule out abnormalities of the reproductive organs, leukorrhea routine to understand whether there is inflammation of the reproductive organs, TCT and HPV examination to rule out cervical diseases. Second, blood test, such as eugenics ten, blood routine, blood type, hepatitis B, syphilis, AIDS, liver function, kidney function, thyroid function, etc., irregular menstruation of women also need to do sex hormone six examination. Men need to check relatively few items, need to check infectious diseases, semen, reproductive organs can be. Abnormalities should be treated first, and then prepare for pregnancy after the body is normalized. Usually pay attention to rest, eat more vegetables and fruits, and eat more protein-rich food.