疫情防控期间，为贯彻落实教育部关于学生“停课不停学、停课不停教”的工作要求，各地高校充分利用“互联网+教育”的优势和作用，在极短的时间内完成大规模的线上课程建设、教学组织和监督管理等教学行为活动。鉴于此，获取某校近40天的移动教学平台数据，完成清洗、提取以及分类汇总等操作，客观分析了该校在疫情期间的线上教学情况。结合数据特点提出了线上教学的四种教学行为，并围绕线上教学四种教学行为制定“八项观测点”的督查标准，为同类院校线上教学行为评定提供参考依据，也为高校线上教学督导工作提供借鉴。

During the epidemic prevention and control period, in order to implement the Ministry of Education’s requirements to suspend classes, but not suspend learning and teaching, colleges and universities in various places have made full use of the advantages and functions of "Internet plus education" to complete large-scale online course construction, teaching organization and supervision management in a very short time. In view of this, this paper obtains the mobile teaching platform data of special University for nearly 40 days, completes the cleaning,extraction, classification and summary operations, and objectively analyzes the online teaching situation of the University during the epidemic period. Based on the characteristics of data, this paper puts forward four teaching behaviors of online teaching, and formulates the supervision standard of "eight observation points" around the four teaching behaviors of online teaching, so as to provide reference for the evaluation of online teaching behaviors of similar colleges and universities, as well as for the supervision of online teaching in colleges and universities.