There is no such thing as which time of the day is easy to get pregnant, as long as you have sex within the ovulation period, you are likely to get pregnant. If a woman is ovulating and arranges to have intercourse, there is a greater chance that the sperm will meet with the egg to form a fertilized egg, and the chances of getting pregnant will be greater. To increase the success rate of pregnancy, women can use ovulation test paper and ultrasound monitoring in advance to understand the development of follicles and discharge, and then arrange intercourse after the discharge of mature follicles, which can improve the rate of conception. Conception is a more complex process, men and women have been having intercourse for more than a year, without contraception and no pregnancy, we should consider infertility. It is necessary to seek timely medical treatment and active treatment. It is recommended that during the preparation for pregnancy, both husband and wife go to the hospital to do pre-pregnancy eugenics health checkups to assess whether the body is suitable for pregnancy; quit smoking and drinking, develop good habits, and don’t stay up all night. Moderate exercise to maintain physical health, to avoid prolonged exposure to radiation or pollution in the environment, to get rid of toxic and harmful work environment; maintain a happy mood; avoid heavy physical labor. Women should take oral folic acid from 3 months before the planned pregnancy to prevent neural tube defects; if vaccination should be completed during the preparation for pregnancy, try not to be vaccinated during pregnancy.