过期档案是指已过保管期限的档案。鉴定销毁档案是档案业务工作一项重要内容，必须尊重科学，严密组织。去年，我们曾用了１年的时间，对我馆９８个全宗的１１６７９卷短期档案进行了鉴定，鉴定后，抽出留存升级的文件材料８５３５份，拟作销毁的１１４３５卷。鉴定结果经主管 Expired file is over the shelf life of the file. Identifying and destroying archives is an important part of the archival work and must be respectful of science and strict organization. In the past year, we spent one year appraising 11,169 short-term archives in 98 Fonds in our library. After identification, we have extracted 8,535 documents and materials that have been preserved and upgraded, and 11,435 volumes are planned to be destroyed. Identification of the results by the competent