Hepatitis B carriers may transmit hepatitis B virus to their loved ones. The main ways of transmission of hepatitis B virus include blood transmission, mother-to-child transmission and sexual contact transmission, etc. Therefore, hepatitis B carriers may transmit hepatitis B virus to their loved ones. Hepatitis B carrier refers to patients with chronic infectious diseases who are infected with hepatitis B virus and the surface antigen of hepatitis B has been positive for more than half a year. This kind of patients have normal liver function and no cirrhosis, but there is the replication of hepatitis B virus in their bodies, so hepatitis B carriers are also infectious, and they can transmit hepatitis B virus to their lovers through sexual contact transmission. Hepatitis B virus is mainly transmitted through blood transmission, mother-to-child transmission, etc. Blood transfusion, hemodialysis, the use of equipment contaminated by the blood of hepatitis B patients, transplacental transmission, etc., can lead to hepatitis B virus infection, and if contacted with blood and body fluids carrying hepatitis B virus, the virus can invade the human body through the broken skin and mucous membranes, which can also lead to infection. Hepatitis B carriers are recommended to use special objects, use protective measures during coitus, and have their loved ones timely injected with the hepatitis B vaccine and pay attention to rechecking the antibody titer to ensure higher protection and reduce the chance of infection.