Hepatitis B patients can kiss and kissing is generally not contagious. The main transmission route for hepatitis B is firstly blood transmission, which means that the infection is caused by receiving blood or blood products from a person with hepatitis B. The second transmission route is mother-to-child transmission. The second is mother-to-child transmission, such as the mother has hepatitis B, in the process of delivery may be transmitted to the baby. The third route of transmission is sexual contact, which means that if one partner has hepatitis B, it can be transmitted to the other partner during sex. There are other ways of transmission such as occupational exposure of health care workers, irregular dental extractions, tattoos, etc. Generally, sharing utensils, kissing, hugging, shaking hands, coughing, etc. do not transmit hepatitis B.