Alcohol should not be consumed in the first month of pregnancy and is not recommended throughout pregnancy. Alcohol can be transferred to the fetus through the placenta and affect the growth and development of the fetus, and it can also have an impact on the mother. I. Effects on the fetus: Alcohol will follow the blood circulation into the placenta, which in turn will affect the fetus, such as fetal developmental malformations, fetal alcohol syndrome and other conditions, and in severe cases, can cause embryonic abortion. The main effect of fetal alcohol syndrome is to cause permanent damage to the central nervous system of the fetus, which is manifested by delayed mental development, delayed physical development, abnormal personality and behavior, and these effects are usually irreversible. The effects on the mother: 1. increase the burden on the stomach and intestines as well as the liver: it is easy to have indigestion and abnormal liver function; 2. easy to fall: alcohol will paralyze the body’s nerves, causing pregnant women to react slowly and the chance of falling will increase; 3. induce other diseases: alcohol will inhibit the absorption of folic acid and vitamin B, which will easily induce diseases such as anemia and neuritis.