“导学案”既是教师为学生课堂学习设计的有学习目标、学习内容、学习流程的课堂教学活动的方案,是师生共同教与学,同步操作的学习文本,还是培养学生自主学习和建构知识能力的一种重要媒介,具有“导读、导听、导思、导做”的作用。 “Guidance Case ” is not only a program designed by teachers for students’ classroom learning that has learning objectives, learning contents, and learning process, but also a learning text that teachers and students teach, learn and synchronize with each other, or how students develop their own learning And the construction of an important medium of knowledge and ability, with “guide, guide, guide, lead to do” role.