Hepatitis B is contagious, but it is generally not a problem to eat together. Hepatitis B is caused by the infection of hepatitis B virus, and the transmission of the corresponding virus mainly includes blood transmission, sexual contact transmission, vertical transmission from mother to child, and close contact transmission, etc. The probability of digestive system transmission is relatively low, and there is no need to worry too much. The probability of transmission through the digestive system is relatively low, and eating together will not cause infection, so there is no need to worry too much, but patients with Hepatitis B should still pay attention to protection to avoid spreading the virus to others. Once obvious digestive abnormalities, pain in the liver area, jaundice and other symptoms need to be admitted to the hospital in time to observe and determine whether there is a possibility of hepatitis, and after diagnosis of the disease for standardized treatment, to avoid causing delays in the condition.