The precautions and preparations for men and women preparing for pregnancy include pre-pregnancy checkups, taking folic acid, living a regular life, not taking medication at random, and not coming into contact with harmful substances. 1. Pre-conception examination: during the preparation for pregnancy, both men and women should first go to the hospital for pre-conception examination, through the pre-conception examination to understand the physical condition of both parties, no abnormalities before considering preparation for pregnancy, there are abnormalities first treatment before considering preparation for pregnancy. 2. Take folic acid: Preparing for pregnancy men and women to take folic acid tablets, men take folic acid can improve the quality of sperm, after pregnancy folic acid can prevent fetal neural tube malformation, is conducive to the growth and development of the fetus. 3. Regular life: during the preparation for pregnancy to develop good habits, every day to pay attention to rest, to ensure sufficient sleep. Pay attention to the balance of nutrition, avoid picky eating. Appropriate exercise to enhance the body’s resistance, both sides of the body to good conditioning is easy to get pregnant. 4. Do not take drugs at random: in addition to folic acid tablets during pregnancy preparation, men and women do not take drugs at random, the body has symptoms of discomfort recommended under the guidance of a doctor to use drugs. 5. Do not contact with harmful substances: do not contact with harmful substances during the preparation for pregnancy, do not go to do radioactive examination, such as X-ray, CT examination, men and women do not smoke and drink. Preparing for pregnancy after a period of time with ovulation test paper or ultrasound to monitor ovulation, ovulation and then arrange for coitus.