在全宗内的档案整理过程中，文件材料分类就是将零散的，没有规律性的文件材料按照它们各自的特性区分不同的类别、划分各自的保管期限，以便组成不同的案卷，保持全宗档案的有机联系。文件材料的分类是档案整理工作的重要环节。按照文件材料自身所具有的特性，档案分类的方法? In the process of archiving documents in the Fonds, the classification of document materials means dividing the fragmentary and irregular documents into different categories according to their respective characteristics and dividing their respective retention periods so as to form different dossiers and maintain the status of the Fonds Organic link. The classification of documents and materials is an important part of the file arrangement. In accordance with the characteristics of the file material itself, the file classification method?