档案材料是国家的一项重要财富,任何机关都不能随便销毁,这是一条不能动摇的原则。但是,我们并不是禁止销毁,而是反对乱烧,主张有组织、有领导、有制度,并且必须根据一定的原则进行这项工作。事实上各机关所形成的文件,一件不烧是不必要的。档案材料的作用和性能不同,它们被研究参考的价值和保管的期限也就不同。根据档案材料的价值,研究确定档案材料的保管期限,再根据档案材料的保管期限审查文件的存毁,这叫做鉴定工作。为了使鉴定工作有依据并且容易进行,就需要编制档案材料保管期限表,档案材料保管 Archival materials are an important asset of the country and no organ can destroy it at will. This is an unshakable principle. However, instead of banning destruction, we are opposed to indiscriminate burning, advocating a well-organized, leading and institutionalized system and must do this work according to certain principles. In fact, the documents formed by various organs are not unnecessary. The role and performance of archival materials are different, the value of their research and reference and the duration of custody will be different. According to the value of archival materials, research to determine the shelf life of archival materials, and then review the file according to the shelf life of archival materials, which is called appraisal. In order to make identification work and easy to carry out, it is necessary to prepare the archival material retention period, archival material custody