The time of conception is an issue that couples often talk about, and from all sides, each has its own reasons. Generally speaking, couples who are planning to have a baby are advised to conceive in late summer or early fall. This is when the temperature drops compared to the height of summer and the early pregnancy response stage is in autumn, avoiding the impact of summer on appetite. The first trimester is the most critical period for the development of the fetus, and it is the time when many vegetables and fruits are harvested, which can provide sufficient amount of various nutrients and trace elements required for the development of the fetus, and it is easy to regulate the appetite and increase nutrition. It is very beneficial to ensure the nutrition of pregnant women and the development of the fetus. When entering the winter season when susceptible to rubella, influenza and other diseases, the pregnancy has been more than three months, the fetal organs have developed and formed, the impact of various viruses on the fetus has been greatly reduced, full-term delivery, it is the pleasant climate of late spring and early summer, such a season is conducive to the adaptation of the newborn to the external environment, the newborn is also easier to care for, but also convenient for the mother to breastfeed, so that better growth and development. It is not recommended to get pregnant in spring and autumn, this is due to the cold weather in winter, the human body’s resistance is low, which can easily lead to the attack of foreign microorganisms, and in spring, due to the rise of Yang Qi, the most rampant viruses, when the summer heat is in full swing, it will also consume the body’s positive energy, so that the physique decreases, these external factors are not very favorable to the growth and development of the early embryo. The actual time when it is ideal to get pregnant should be considered from the health of both men and women, work and study load and other factors. As long as both men and women are in good health and full of energy, after making good pre-conception preparations, let nature take its course and do not deliberately set a certain time.