Hepatitis B surface antigen is high and the other four items are normal, which means that it is infected with hepatitis B virus and infectious, and it is necessary to decide whether to receive treatment according to the liver function. 1. Normal liver function: if the abdominal ultrasound examination shows that the liver function is normal, no special treatment is needed in this case, only regular review is needed. 2. Abnormal liver function: antiviral and hepatoprotective treatments are needed to avoid other complications. Anti-hepatitis B virus drugs, such as entecavir and tenofovir, are the first-line anti-hepatitis B virus drugs; hepatoprotective drugs, such as vitamin C, vitamin E and reduced glutathione. In addition, all of the above medications carry certain risks and patients need to be supervised by a specialist.