毛主席说:“我们看事情必须要看它的实质,而把它的现象只看作入门的响导,一进了门就要抓住它的实质,这才是可靠的科学的分析方法。”(《星星之火,可以燎原》)刚开始搞鉴定工作的时候,我们很不注意对文书档案规律的研究,以纯业务的观点去指导档案的鉴定工作,尽管把“保管期限表”看得烂熟,可是总抓不住重点,更难以判定那些千差万别的各种文书材料的保管价值。当我们学习了毛主席的四篇哲学论文以后,注意了在实践中进行调查研究工作。首先,我们详细地考查和研究了文书档案的形成规律,发现了所有的文书档案都是由各机关的各种文书材料转化来的。那么各种文书材料又都是那里来的呢?我们看了档案,调查了各机关 Chairman Mao said: “When we look at things, we must look at its essence, and regard its phenomenon as a guide to getting started. As soon as we enter the door, we must grasp its essence. This is a reliable and scientific method of analysis.” (“The spark of the stars can start a prairie fire”) At the beginning of the appraisal work, we paid no attention to the study of the file archival law and guided the appraisal of the archives from a pure business point of view. , But they can not always grasp the key points and it is even more difficult to determine the custodial value of various kinds of clerical materials that vary widely. After we studied Chairman Mao’s four philosophical treatises, we paid attention to conducting investigations and studies in practice. First, we examined and studied in detail the law of the formation of clerical archives and found that all the clerical archives were transformed from the various clerical materials of various agencies. Then all kinds of documents and materials are there? We looked at the file, investigated the various agencies