Even hepatitis B virus in Xiao Sanyang may be very active, which will have a certain impact on liver function and cause abnormal liver function. Therefore, in daily life, hepatitis B small sanyang also needs to check liver function regularly, and check hepatitis B DNA quantification when necessary. Once the liver function is abnormal and the quantitative replication of hepatitis B is large or moderate, corresponding treatment is needed. At present, antiviral drugs are the most widely used in clinic, and can be used together with enzyme-lowering and liver-protecting drugs when necessary.