Hepatitis B is mainly transmitted through blood, so the blood of a hepatitis B patient dripping onto food is generally not contagious. Hepatitis B is caused by infection of hepatitis B virus, which is a contagious disease, mainly transmitted through blood, when there is a break in the skin or mucous membrane, if it comes into contact with blood with hepatitis B virus, infection may occur. However, hepatitis B virus does not spread through the digestive tract, so it is not easy to be infected when the blood of a hepatitis B patient drips onto food. In addition to blood transmission, hepatitis B is also transmitted through mother-to-child transmission and sexual contact, so it is important to pay attention to prevention. If you are diagnosed with hepatitis B, you should follow the doctor’s advice, actively carry out treatment, and regular review to minimize the adverse effects on the body.