In the paper, studies on chitinase of microbes are briefly reviewed, and the classification, characteristics, purification, gene clone and expression, and its application in practice were recommended.

• 摘要概述了有关微生物几丁质酶的研究情况，介绍了几丁质酶的分类、性质、分离纯化、基因克隆与表达以及在实际中的应用。