Ozone has a certain effect on pregnant women. Ozone contains a special odor that adversely affects women’s respiratory system, nervous system and digestive system, and women may experience shortness of breath, headache, dizziness, nausea, regurgitation and other uncomfortable situations. After pregnancy, women should try to live in a fresh air environment, not in an ozone environment for a long time, because the body of women after pregnancy is more sensitive, in early pregnancy may lead to embryonic malformation, pre-eclampsia, mid- and late pregnancy may lead to intrauterine distress, such as accelerated fetal movement, fetal heartbeat, become faster. After pregnancy, women should pay attention to proper rest, keep their mood relaxed and try to avoid external unfavorable factors, so as to avoid adverse effects on the health of pregnant women and the development of the embryo.