2. Review of the research history a

2. Review of the research history and status quo at home and abroad.In new Mexico, SAN Juan college professor "one minute" David Penrose for pioneering the impact a wide range of video "of" one minute "curriculum" is famous, its core idea is to require teachers to teaching content and teaching target is closely linked, to create a "more focus on learning experience". From the autumn of 2010 to the spring of 2012, the online micro-course "Xizi and Calligraphy" in primary schools in Tianjin was successfully recorded, released online, promoted and applied, which effectively made up for the shortage of calligraphy teachers and low quality in primary schools, and achieved good social benefits.In order to adapt to the reform of education, the emergence of micro-course is inevitable. Micro-course ADAPTS to the current educational objectives. The teaching method of learning first and teaching second improves students' autonomous learning ability. Most teachers still choose to adopt the conservative traditional education mode in teaching, and school teachers and students are still the main body of teaching. Secondly, the production level of teachers is uneven in micro-class teaching, which results in the intermittent effects of micro-class learning. Generally speaking, there are no mature models for reference, and most of them are in the process of developing and summarizing, teaching and reflection. Therefore, it is imperative to explore a scientific and efficient micro-course teaching model.