If a pregnant woman is in a noisy environment for a long time, it will affect the baby’s hearing. Because the fetus has the ability to respond to sound stimulation in the 28th week of pregnancy, prolonged noise will affect the development of fetal hearing, which will seriously lead to damage to some areas of the brain, and even fetal tinnitus and fetal malformation after birth. Pregnant women who receive noise stimulation for a long time will lead to emotional tension and mood swings, and emotional changes will affect the normal uterine contractions, with the consequences of preterm abortion or premature birth. Powerful noise can cause disorders in the nervous system of the body, resulting in increased blood pressure, which can have a negative impact on the pregnant woman and the fetus in serious cases. Pregnant women can listen to soothing music for the fetus after the fourth month of pregnancy, which can promote physical and mental health, and try to avoid being in a noisy environment for a long time.