The percentage of people with hepatitis B is high. According to current statistics published by the WHO, about 60 to 10 million people worldwide suffer from hepatitis, with the prevalence of hepatitis B at about 47% and that of hepatitis C virus at about 48%. Many of those infected with the hepatitis B virus may develop chronic hepatitis B. These patients need to take medication for life, and the virus cannot turn negative. Hepatitis B virus is contagious, mainly through mother-to-child transmission, blood transmission, sexual contact transmission, if there is contact with these transmission channels, the chances of being infected is relatively high. If someone in the family or in the living area is infected with hepatitis B virus, it is important to pay attention to it. If yellow face, nausea, vomiting and other symptoms, should be alert to hepatitis B infection, need to go to the hospital as soon as possible to check and analyze the cause, if early diagnosis, early treatment, is conducive to the prognosis of hepatitis B.