文件生命周期理论“是文书处理部门立卷的理论依据”，“为文件和档案价值鉴定提供了理论依据”，“为文件、档案的一体化管理提供了理论依据”，“为文件、档案工作系统的改革提供了方法论”~①，“对于我们正确地把握文档一体化、档案机构设置与管理体制改革、档案的定义与范 The theory of document life cycle is the theoretical basis for the document processing department to set up the volume, provides a theoretical basis for document and file value identification, provides the theoretical basis for the integrated management of documents and files, and provides the theoretical basis for document and file work System reform provides a methodology “~ ①,” for us to correctly grasp the integration of documents, file agencies and management system reform, the definition and file