Abstract: Hepatitis B virus (HBV) infection is a global public health problem, and China has
the largest number of people infected with HBV. After HBV infection, the immune system
cannot clear the virus timely and effectively, and the body’s immune tolerance leads to chronic
hepatitis B (CHB). CHB can cause liver cirrhosis, liver failure, liver cancer, etc., which
seriously endanger the health of people. Interferon (IFN) is the frst-line treatment for CHB,
which has the advantages of improving the functional cure rate, discontinue safely, achieving
a sustained non-therapeutic immune response, reducing the incidence of liver cancer, avoiding
the occurrence of drug resistance, delaying the progression of CHB, and improving the quality
of patients’ life. In this review, we discussed the mechanisms, advantages, therapeutic modes
and therapeutic prospects of IFN in order to help to improve the antiviral effcacy of IFN on
HBV in clinical practice.
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