Considering these complex interactions between A20 and NF-kB, the involvement of A20 and NF-kB in HBV infection and the liver tissue homeostasis and the pathogenesis of liver diseases, and the role of A20 in the regulation of innate anti-viral immune response, the comprehensive link between TNFAIP3 polymorphisms and chronic HBV infection and HBV-related diseases may be complex and needs in-depth studies. Here, TNFAIP3 is linked to liver disorder.