处于信息时代的背景下，获取信息工具的多元化，促使微课的产生。“可汗学院”的产生，为我们提供了一个思路。目前，翻转课堂、幕课之风席卷中华大地，中国的微课应运而生。笔者认为，微课应该是教学中的难点，主要是以微视频的方式呈现，课程学习时间尽量要短，一般不要超过十分钟，内容少，针对性强，解说简明扼要，亲和风趣，图文并茂，是具有学习目标明确，学习内容短小、学习时间短等学习资源的有机组合。笔者作为一线地理教师，与其所在学校地理组的老师参加了翻转课堂实验，并一起制作了七年级地理部分难点微课视频，想为老师、学生、家长提供学习辅导上的帮助。

Under the background of information age, the diversification of information-access tools have promoted the rise of micro lesson. "Khan", provides a Different way of teaching for us. At present, flipped classroom and MOOC have swept across the vast nation of China. Thus China's Micro lesson came into being. The author believes that the micro lesson should is a difficult point in teaching, is mainly presented in a micro video, course of study time as far as possible should be short, generally not more than ten minutes, less content, targeted commentary and concise, affinity funny illustrations, is with learning objectives clearly, learning content is short, the organic combination of short time, learning resources, learning. It is the combination of learning resources with clear learning targets and relatively short content. The author, as a first-line geography teacher, has participated in the flip classroom experiment with other geography teachers and made micro lesson videos for seventh grade of geography which mean to provide teachers, students, parents with learning guidance.