It is not recommended to go to the plateau after pregnancy because of the high altitude, thin air and insufficient oxygen. Ordinary people going to the plateau will also often have plateau reactions, symptoms such as lack of oxygen, dizziness and weakness. Pregnancy is a special physiological period, the body of pregnant women is relatively weak, the demand for oxygen is particularly sensitive, pregnant women go to the plateau is more likely to produce plateau reaction, may be due to oxygen deficiency and fainting symptoms, will lead to fetal oxygen deficiency in the womb, serious may also occur mother and child adverse pregnancy outcome. Therefore, if there are no special circumstances during pregnancy, it is not recommended to go to the plateau to avoid the impact on the development of the fetus.