Liver function minor triyang normal contact may be infectious, liver function minor triyang patients should do a good job of prevention and active treatment. Despite the inactive viral replication, the virus is still present in hepatic function mini-tertriangles, liver function is still impaired, and the virus may still be contagious. Normal people who come into contact with hepatic function minor triyang may be infected with hepatitis B virus due to tiny traumas that are not paid attention to in their lives. In addition, the virus carried by hepatic function mini-tertriangles can also cause transmission through mother and child, direct sexual contact and other ways. Therefore, patients with Hepatitis B virus should take precautionary measures when spending time with their family and friends, especially when having close contact with them, and try not to share household items with patients with Hepatitis B virus. Liver function patients also need to adhere to the treatment, go to the regular hospital in time for consultation.