Pregnant women are allowed to smell flowers, but make sure that they are not allergic to pollen and that they cannot smell flowers for a long time, but they can smell flowers appropriately. If a pregnant woman is allergic to pollen she will experience a series of uncomfortable symptoms, such as sneezing and coughing, which can easily increase the abdominal pressure of the pregnant woman thus risking a miscarriage. Women who are not allergic to pollen can smell flowers without any adverse effects on the fetus and harm. Flower fragrance is a natural aroma, some pregnant women are prone to irritability and nervousness during pregnancy, proper smell of flowers can make pregnant women feel relaxed and can help the fetus grow and develop better. In the choice to pay attention to the choice of flowers with a lighter flavor, to avoid strong, strong flower fragrance on the respiratory tract of pregnant women to produce strong stimulation, pregnant women during pregnancy to avoid contact with special odor gases and harmful gases.