Pre-pregnancy needs to avoid strenuous exercise, maintain a balanced diet and supplement folic acid, etc., as follows: 1. Avoid strenuous exercise: in pre-pregnancy, the embryo is not particularly stable and depends on the hormones secreted by the ovaries to maintain the pregnancy, strenuous exercise may lead to spontaneous abortion, so you can choose to take a walk or pregnant women yoga and other exercises, to avoid causing strong uterine contractions. 2. Maintain a balanced diet: Pre-pregnancy should be supplemented with foods high in protein and vitamins, such as milk or eggs. 3. Supplement folic acid: In the pre-pregnancy period, you should supplement folic acid, as the pre-pregnancy period is the key period of fetal neurodevelopment, which can prevent fetal malformation. It is recommended to keep an optimistic mindset and communicate with others in the pre-pregnancy period. The pre-pregnancy period should be a regular obstetric examination to avoid any adverse situation.