Bad mood can affect pregnancy, because menstruation is affected by emotions, bad mood is likely to lead to endocrine disorders, which in turn lead to menstrual disorders, there may also be abnormal ovulation, so it will affect the pregnancy. If a woman is planning to get pregnant, first of all, we should maintain a good state of mind, and it is also recommended that in the case of a bad mood, we must give more appropriate adjustments, such as watching more beneficial television, reading more positive books, more contact with some positive people, so that the mood becomes pleasant, in this way the body and mind have reached a healthy situation, and then prepare for the pregnancy will be conducive to the eugenics of birth and childbearing. It is best for women to plan their pregnancies, and in addition to taking folic acid tablets to prevent fetal neural tube deformities, they should also maintain a good mood during their planned pregnancies.