“微课”的概念2008年由美国高级教学设计师戴维·彭罗斯率先提出,其最初理念是“人们以非正式学习或正式学习方式对主题集中、短小精悍且与实践紧密结合的专业知识进行学习,进而提高专业知识学习成效,促进知识的内化。”2011年“微课”引入我国,国内“微课”创始人胡铁生认为:“微课程是以微教学视频为主要载体,教师针对某个学科知识点(如重点、难点、疑点、考点等)或教学环节(如学习活动、主题、实验、任务等)而精心设计和开发的一种可视化的、支持多种学习方式的在线视频网络课程。”目前“微课”的理论与实践研究以中小学 The concept of “micro-class” was first proposed by David Penrose, a senior American teaching designer in 2008. Its initial concept was that “people focus on topics in a short or pithy manner and are closely integrated with practice Professional knowledge to learn, thereby enhancing the effectiveness of professional knowledge learning, and promote the internalization of knowledge. ”2011 “ micro-class ”was introduced into China, the domestic“ micro-class ”founder Hu Tiesheng think: “ micro-class is micro Teaching video as the main carrier, teachers designed and developed a kind of visualization and development for a certain subject knowledge points (such as focus, difficulty, doubt, test sites) or teaching (such as learning activities, topics, experiments, tasks, etc.) Support online learning online video courses. ”At present “ micro class ”theory and practice of research to primary and secondary schools