We made the scientific map basis on the citation analysis, co-citation andlysis, cluster analysis and social network analysis, and with the help of Citespace, Bibexcel, Pajek and Ucinet . Discussion on the use Information visualization techniques in medical information analysis. Through the knowledge mapping, we can determine the seven core journals. Use of network analysis methods analysis the social position and role ,which include the core journals , reference texts and the author. Through the keywords and Noun phrases, we draw the knowledge mapping of public health and preventive medicine, and reveal the research topic and hot from 2005-2009. I hope it can help someone who want to apply the information visualization technology in Medicine information.%本文以引文分析、共引分析、聚类分析和社会网络分析等方法为理论依据,通过Citespace、Bibexcel、Pajek和Ucinet等信息可视化工具,以公共卫生与预防医学学科为例,探讨信息可视化技术在医学情报分析中的应用,通过绘制知识图谱,揭示了该学科领域的七种核心期刊.运用社会网络分析法,分析了核心期刊、参考文献、核心作者在社会网络的地位和作用.通过对关键词和从题目中提取出来的名词性短语的知识图谱的绘制,揭示本学科2005～2009年的主要研究主题和关注热点.为研究者利用信息可视化技术开展医学情报分析提供借鉴和帮助.
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