文献是人类从事社会实践、生产实践和科学实践的记录 ,是人们信息交流的重要形式 ,是社会发展的重要基础。在当今事业经费普遍偏紧、图书资料价格不断上涨的情况下 ,如何确保必要的文献资源 ,最大限度地利用现有资源 ,积极主动、有效地开展文献服务 ,是摆在我们面前的一项紧迫 Literature is a record of human being engaged in social practice, production practice and scientific practice. It is an important form of information exchange for people and an important foundation for social development. Under the circumstance of generally under-funding of current business and rising prices of books and materials, it is an urgent task for us to ensure the necessary documentary resources, maximize the use of available resources, and actively carry out documentary services proactively and effectively