改革开放以来 ,特别是九十年代以来 ,档案学得到了很大发展 ,档案界的研究也日趋活跃 ,研究领域不断拓展。一些过去没有研究或没有很好研究的档案现象 ,逐渐成为档案界研究的重点或热点。私人档案在过去是个敏感问题。换言之 ,档案界不能名正言顺地研究它 ,只能作一些旁敲侧击 Since the reform and opening up, especially since the nineties, the archives science has made great progress. The research on archives has also become more and more active, and the fields of research continue to expand. Some archives that have not been studied or not well researched in the past have gradually become the focus or focus of the archival research. Private files have been a sensitive issue in the past. In other words, the archivists can not justifiably study it and can only make some side-scrutiny