“微课自主学习任务单”是学生开展自主学习的导航,是顺利实现“翻转课堂”的关键步骤。文章以人教版小学数学《圆的认识》为例,阐述了“微课自主学习任务单”的设计与应用及其过程中的注意事项。 “Micro-class self-learning task list ” is the navigation of students to carry out autonomous learning, is the key step to achieve “Flip classroom ”. Taking the “circular understanding” of the mathematics of PEP as an example, the article expounds the design and application of “micro-class self-learning task list ” and the precautions in the process.