Early pregnancy smelled paint, whether there is a problem and inhalation of how much is closely related, if only occasionally smelled once the problem is not very big, paint contains harmful substances are mainly formaldehyde, formaldehyde is a colorless, strong irritating odor of the gas. If only a small amount of inhalation, inhaled through the respiratory tract and then into the bloodstream, due to the detoxification effect of the liver and the placental barrier, the effect on the fetus is minimal. If a large amount or long-term exposure will appear a variety of discomfort, can also be transported through the placental barrier jeopardizes the health of the fetus, the serious may lead to fetal chromosomal abnormalities, and ultimately cause fetal development deformities, miscarriage, brain development is impaired and other congenital defects. When the concentration of formaldehyde in indoor air is very high, formaldehyde will affect the circulatory, immune, reproductive and metabolic systems of pregnant women. Pregnant women should stay away from places with irritating odors, and from places with the smell of paint, to give the fetus a good environment for development. During pregnancy, drink plenty of water, eat a light diet, avoid spicy food, do not overeat, develop good habits, while maintaining a positive and healthy mindset.