The choice of whether or not to use taf antiviral therapy for the first time for small triple yang needs to be based on the status of liver function. The first infection of small triple Yang patients should first carry out liver function tests, that is, transaminase level judgment. If the liver function is normal and the condition is stable, then there is no need to take antiviral drugs, and it is enough to pay attention to a balanced diet. If liver function is impaired, antiviral drugs should be taken to avoid further aggravation of the condition. taf usually refers to propofol tenofovir, for the latest hepatitis B antiviral drugs, this kind of drugs compared to the previous tenofovir, side effects are smaller, lower damage to liver function, drug resistance is also lower, can inhibit hepatitis B virus replication, slow down the development of cirrhosis, liver fibrosis, liver cancer, so the first time patients with impaired liver function of small triple yang can be played to use taf for antiviral treatment. If the patient is infected for the first time with small triple yang, need to consult a doctor in time, under the guidance of the doctor, according to the examination results and individual condition, choose whether to apply taf treatment.