人工标引主题词是一项脑力劳动大、主观因素 强且细之又细的工作，曾一度成为困绕计算机管理档案的“瓶颈”。计算机技术的不断进步为主题词自动标引提供了广阔发展空间。计算机自动标引主题词是档案工作发展的必由之路，利用计算机提取主题词，将根本改变手工操作的落后状况， Artificial indexing is a mental task, subjective factors and thin and thin work, once became a “bottleneck” around the computer management files. The continuous progress of computer technology provides a broad space for development of automatic indexing of the keywords. Computer automatic indexing keywords is the only way for the development of archives work, the use of computers to extract keywords, will fundamentally change the manual operation of the backward conditions,