Abstract: Epstein-Barr virus（EBV）is a γ-herpesvirus，is associated with Burkitt's lymphoma，Hodgkin's disease, NK／T cell lymphoma and post-transplant lymphoproliferative disorder. Researchs have shown that the gene products of latent infection of EBV promote the occurrence of the lymphoma. These researchs have also provided the reason for immune therapy in regard to EBV. This review mainly discuss the research progress about the EBV，the gene products of latent infections of EBV and the relationship between lymphoma and EBV.