图书馆的藏书结构历来是图书馆学研究的重要课题。图书馆的藏书结构是否合理直接关系着藏书质量的高低,影响着为读者服务的水平。本文从专业图书馆馆藏特点和读者特点出发,提出了专业图书馆藏书结构的10大要素,并对这些要素逐一进行了系统的分析。通这对藏书结构要素的分析,提出了藏书结构合理性评价的方法。对如何优化专业图书馆的馆藏结构,提高藏书质量,加强专业图书馆的藏书建设具有一定的理论意义和实用价值。 Library’s collection structure has always been an important issue in library science research. Library’s library structure is reasonable and directly related to the level of collection quality, affecting the level of service for readers. Based on the characteristics of library collection and reader characteristics, this paper puts forward ten major elements of library collection structure of professional libraries, and systematically analyzes these elements one by one. Through this analysis of the elements of the collection of books, put forward the method of evaluation of the rationality of the collection of books. It has certain theoretical and practical value on how to optimize the collection structure of professional libraries, improve the quality of collection, and strengthen the collection of books in professional libraries.