Hepatitis B virus carriers are generally recommended to have a comprehensive examination once every 3-6 months. The examination items mainly include: quantitative HBV-DNA of Hepatitis B virus, Hepatitis B two half pairs, major biochemistry, abdominal ultrasound, alpha-fetoprotein, blood routine. Hepatitis B virus carrier refers to hepatitis B surface antigen (HBsAg) positive, but no signs and symptoms of hepatitis, some patients may have symptoms such as discomfort and pain in the liver area, and all liver function tests are normal. Chronic asymptomatic hepatitis B virus carriers, there are still a considerable portion of patients, liver histopathology exists in varying degrees of inflammatory changes, the older the age, the greater the possibility of abnormal changes in liver histopathology. However, aminotransferase levels are generally at normal levels. Therefore, for hepatitis B virus carriers, they generally do not need to receive treatment, but only need regular checkups, a balanced diet, good living habits, and maintain a happy mood.