Women who are pregnant must abstain from alcohol. Drinking alcohol may affect the normal development of the fetus, such as intrauterine growth retardation and abnormal mental development. Alcohol has obvious toxic effects on all stages of embryonic development, which can easily cause miscarriage, preterm labor and fetal malformation 1. Intrauterine growth retardation: Long-term and heavy drinking during pregnancy will affect the normal blood and oxygen supply to the placenta, leading to chronic hypoxia of the fetus over a long period of time, which may cause intrauterine growth retardation. 2. Abnormal intellectual development: Alcohol has an effect on the growth and development of fetal cells, especially the growth and development of nerve cells, which may cause abnormal intellectual development of the fetus. Quit smoking and drinking during pregnancy to be able to achieve eugenics and reduce the impact on fetal growth and development. During pregnancy, pregnant women should pay attention to the prenatal checkups, and actively listen to the professional doctor’s advice to do a comprehensive care and health care work. During pregnancy, pay attention to more rest, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.