What is Hepatitis? What is hepatitis B? Inflammation of liver parenchyma caused by various reasons, and the corresponding symptoms, signs and liver function abnormalities, called “hepatitis”; according to the different causes of hepatitis can be divided into viral hepatitis, alcoholic hepatitis, drug hepatitis, autoimmune hepatitis, etc. Viral hepatitis can be divided into hepatitis A, hepatitis B, hepatitis C, hepatitis D, hepatitis E, etc. according to the different types of viruses. Viral hepatitis can be divided into hepatitis A, hepatitis B, hepatitis C, hepatitis D, hepatitis E and so on according to different types of virus, and hepatitis B is the most common in China. Hepatitis B virus invades the human body through a certain way and causes hepatitis, which is called “Hepatitis B”, referred to as “Hepatitis B”. What are the ways of transmission of hepatitis B? (a) Mother-to-child transmission. Including infection during pregnancy, infection during delivery and infection during breastfeeding. It is the main way of hepatitis B transmission in China. (ii) Blood and body fluid transmission. Including transfusion of blood and blood products, injection, surgery, needlestick, razor, sharing dental appliances, hemodialysis, organ transplantation, etc.; close life contact and sexual contact can also spread hepatitis B virus. (iii) Other ways. Digestive tract, respiratory tract, etc. are also theoretically possible. What can other people in the family of a hepatitis B patient do to prevent transmission? (a) Hepatitis B vaccination. It is a key measure to prevent hepatitis B. (b) Sterilize utensils. Advise family members to eat with separate utensils; using a sterilizer to disinfect the utensils of all family members is also a good idea. (iii) If one of the spouses has Hepatitis B, it is recommended to use condoms during sex.