定量PCR（quantitative PCR，qPCR）被广泛应用于mRNA表达、病原体检测和病毒滴定等领域，具有快速、敏感、污染概率低和可重复的特点。此文主要对qPCR法检测各种病毒滴度的研究进展进行综述，介绍qPCR在RNA病毒以及DNA病毒检测中的应用，并与其他检测方法进行对比，展现qPCR检测病毒滴度的应用前景。

Quantitative PCR (qPCR) is widely used in various fields such as mRNA expression, pathogen detection, and viral titration, and is characterized by rapidity, high sensitivity, low contamination rate and reproducibility. This paper mainly reviews the research progress of qPCR in titer detection of various viruses, introduces the appplication of qPCR in detection of some RNA viruses and DNA virus, and compares it with other detection methods, to show the application prospect of qPCR for virus titer detection.