Application of knowledge mapping in analysis of the discipline development

Knowledge mapping is a new field driven by information technology.Depending on data collection,information processing,knowledge measurement and graphic plotting,it displays the development,structure and rules of scientific knowledge.This article introduces the related theory and method of knowledge mapping.Through using knowledge mapping to analyze medical literatures,it illustrates the application of knowledge mapping in analysis of the development of discipline in the medical domain.It will provide reference for the research of visual analysis in medicine.