The odor of acrylic paint can be irritating to the throat and nose of pregnant women and can be harmful to the development of the fetus. The methacrylic acid in acrylic paint is a kind of chemical additive with irritating odor, which is slightly toxic, and inhalation will cause irritation to the nose and throat, and the high concentration of acrylic may also irritate the lungs. Pregnant women smell on the development of the fetus in the abdomen also has a certain impact, if long-term in such an environment, will make the fetus development is poor, may cause deformities, and in serious cases may lead to miscarriage. Pregnant women try to avoid acrylic paints, if inhalation of acrylic appears uncomfortable, should go to the hospital immediately to avoid serious consequences.