Related articals of bloodletting therapy published in Science Citation Index ( SCI ) from 1998 to 2011 are summarized and analyzed ,and the aim is to make the progress for bloodletting both at home and abroad and to provide a reference for future related documents .Search the Web of science database , then these related articals are summarized and analyzed from various aspects of article numbers , countries , subject categories , languages, impact factors, literature types, publication sources, disease categories and article contents .About 39 related articals are searched by using “bloodletting” or “pricking blood therapy” as the keywords , results show that the impact factor is not high (only 9 articals’ IF are more than 5), the disease category is less;the curative effect is uncertain;the mechanism is not clear .Therefore , bloodletting therapy needs to be further re-searched and developed .%总结分析“出版时间＝1998～2011，主题词＝blood letting OR pricking blood therapy”SCI源期刊发表的有关放血疗法的文献，以期了解国内外放血疗法的研究进展，并为今后相关文献的发表提供参考。在线检索Web of Science数据库，并分别从文献数量、国别、文献类型、语种、影响因子、学科类别、来源出版物、病种、文章内容等方面进行归纳总结。共检索到有关放血疗法的文章39篇，收录期刊的影响因子不高（仅9篇IF＞5），治疗病种较少，且疗效尚不确定，机理尚不明确，有待进一步完善与研究。
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