中文摘要：

密码子偏性是生物体内普遍存在的现象，并受到多种因素的影响。开展针对病毒密码子偏性的相关研究，将对病毒生物学的各项研究起到重要作用。此文对影响病毒密码子偏性的因素和病毒密码子偏性的研究意义进行综述。

英文摘要：

Codon bias is a common phenomenon in organisms and effected by a variety of factors. The studies of viral codon bias played important roles for the viral biology researches. In this paper, the factors that effected on viral codon bias and the significances of viral codon bias studies are reviewed.