以肝炎病毒和人类免疫缺陷病毒为例，介绍了双／多重病毒感染时可能存在的病毒间相互作用及其对相关疾病的影响，并讨论病毒间相互作用的可能机理。 Taking hepatitis virus and human immunodeficiency virus as an example, the possible interactions between viruses and their effects on related diseases during dual / multiple virus infection are introduced. The possible mechanisms of the interaction between viruses are also discussed.