0引言行政区域界线是法定的行政界线,由大量的历史习惯线、部分法定线和一些争议线组成,部分地区由于界线不清,致使边界争议不断发生,影响了这些地区的社会稳定和经济发展。民政部门勘界工作中形成了大量的成果资料,内容涉及标绘行政区域界线的地形图、界桩照片、界桩登记表、界桩位置略图、界线协议书、勘界技术设计以及其他文字资料,数量极其庞大,来之不易,属于宝贵的历史文献。目前界线管理工作主要采用档案管理方 0 Introduction Administrative boundaries are the statutory administrative boundaries. They consist of a large number of historical habits lines, some statutory lines and some controversial lines. Part of the boundaries are not clear, causing continuous border disputes and affecting the social stability and economic development in these areas . A large number of achievements were made in the demarcation work of the civil affairs departments. The contents involved topographic maps, boundary piles, boundary piles registration forms, boundary positions of border piles, boundary line agreements, demarcation technical design and other written materials, Large, hard-won, is a valuable historical document. At present, the management of the boundary mainly adopts the file management side