The first of these is to prepare for the second child in the following ways: 1. to adjust the body, women should pay attention to their eating habits and living rules, to achieve a balanced diet, not picky, work and rest on time, do not stay up late, adhere to the lunch break, etc., to adjust the body to the best condition, conducive to pregnancy. 2. to actively exercise, because in the process of carrying the second child, women’s bodies bear a heavy burden, women should actively participate in appropriate physical activities, such as jogging, yoga, climbing, etc. 3. The woman should actively participate in appropriate physical activities, such as jogging, yoga, mountain climbing, etc. 3, the couple can also take oral folic acid tablets, which are good for the prevention of fetal malformations, or the woman to take Chinese herbal medicine to nourish the body to prepare for pregnancy. During this period, couples need to go to the hospital together to check their health, such as checking the six hormones and sperm quality.