This article investigates the regional distribution and industrial distribution of patent specific databases of 12 provinces. Based on the survey, this article compares the services of specific databases in terms of retrieval style, catalogue information, retrieval result, data download, data analysis and etc. In the end, the paper makes some suggestion on the future development of specific database according to the research conclusions.%从专题数据库建设数量的区域分布和产业分布两个方面对12省的专题数据库进行系统调研,并对专题数据库的检索方式、著录字段、检索结果、数据下载、数据分析等服务功能进行了对比分析;同时,就专题数据库的发展方向提出了建议。
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