This paper briefly introduces the history,definitions of some important words,working process,key concepts,connectathon testing,implementation of IHE,which can be regarded as an entry guide of IHE.

• 介绍了IHE的历史、重要定义、工作流程、一些重要概念、测试认证和应用,可以作为准备参加IHE活动的参考资料。