目前我国大多数图书馆从内容上揭示馆藏的主要方法是分类法,但在当前计算机检索和资源共享的时代,分类法已远远不能适应形势的发展。因此,对主题法的研究和推广,用它来揭示馆藏已势在必行。主题法吸收了各种情报检索语言的优点,代表了情报检索语言的发展方向。特别是主题法的直观性和灵活性,缩短了情报检索的过程,可以随时反映学科的新发 At present, most libraries in our country reveal the main method of collection from the content is the taxonomy, but in the current era of computer retrieval and resource sharing, the taxonomy is far from being able to adapt to the development of the situation. Therefore, the research and promotion of thematic law, use it to reveal the collection is imperative. Thematic method absorbs the advantages of various information retrieval languages ​​and represents the development direction of information retrieval languages. In particular, the thematic method of the intuitive and flexible, shortening the process of intelligence retrieval, you can always reflect the new discipline