Stealth technology, an important military technology, is highly paid attention to by researchers. The various defects exist in the traditional stealth technology which does not act as the perfect stealth. Electromagnetic invisibility cloaks with a new stealth technology could be used to implement the diffraction of light and truly achieve the stealth. This paper introduces its concepts, classi-fication and its basic theory.%隐身作为军事科技的一项重要技术一直受到科研人员的高度重视,传统的隐身技术存在各种缺陷,不能实现对目标的完美隐身。隐身斗篷作为一项新的隐身技术,实现了光的绕射,能真正意义上实现隐身。介绍了隐身斗篷概念、分类以及其基本理论依据。
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