Hepatitis B jaundice is potentially contagious to family members, so it is necessary to receive the vaccine to prevent it. Hepatitis B jaundice is generally transmitted through blood, body fluids, mother-to-child, intimate contact and sexual intercourse. Therefore, among family members, there is a possibility of transmission from mother to child, and there is also a possibility of transmission between husband and wife due to sexual intercourse. If a pregnant woman has hepatitis B jaundice, she needs to take preventive measures during pregnancy; if one of the husband and wife has hepatitis B jaundice, they need to pay attention to preventive measures during sex, and they need to wear a condom to avoid spreading the virus through sperms or vaginal secretions. In addition, hepatitis B jaundice has a greater danger, the patient needs to actively accept the treatment, to avoid the aggravation of the condition of health hazards.