In addition to the normal physical examination of the pregnant woman, including blood pressure, electrocardiogram, kidney function, liver function, etc., the fetus should also be examined, and hepatitis B, hepatitis C, syphilis and other infectious diseases should also be examined. If a pregnant woman is found to be positive, she should be effectively isolated and disposed of during the delivery process, including the treatment of the pregnant woman, the fetus and the medical equipment used during the delivery process, and the prevention and treatment of the newborn, which can effectively stop the spread of infectious diseases.