在网络高速发展，电子设备急速普及的情况下，在线学习越来越受到大家的关注，在线学习平台也如雨后春笋般迅猛的发展，很多企业，教育机构开始涉足在线教育行业。很多人预言在线教育将会占领越来越大的比重。 现在初中教育仍旧受到广泛的关注，越来越多的学习方式出现在大家的视野中，在线学习就是其中的一种。本研究主要针对的是与四叶草在线学习平台有合作的初中学校的初中生，本研究中的在线学习平台特指拥有视频资源和习题资源，拥有交流功能，支持在线学习的平台，本研究中的初中生的在线学习不仅仅是以自学的形式存在，而且是辅助课堂教学的一种存在。 本研究通过定量分析法分析四叶草在线学习平台的后台数据得到学生在线学习时间的分布，通过访谈教师设计了解学生在线学习的现状和一些存在的问题，根据访谈结果设计问卷，本研究的问卷分为接触网络，课程本身，学习过程，学生自身因素,平台这5个维度来调查研究初中生在线学习，通过平台数据，访谈结果和问卷数据分析得出初中生在线学习的现状和问题。

In the rapid development of Internet, electronic equipment spread rapidly, the online learning more and more people's attention, online learning platform mushroomed rapid development, many companies, educational institutions began to get involved in online education. Many people predicted that online education will be occupying an increasing proportion. Now schooling is still widespread concern, a growing number of learning in everyone's field of vision, online learning is one of them. This study is aimed at online learning platform and Clover Middle School in cooperation of the students, this study has a video online learning platform specific resources and exercise resources, with communication features, support for online learning platform, in this study the junior high school online learning is not just in the form of self-existence, and the existence of a supplementary classroom instruction. In this study, quantitative analysis of background data Clover online learning platform has been distributed online learning time of students, through interviews with teachers of students' online learning to understand the status and some problems in designing the questionnaire based on interviews, this study questionnaire into contact with the network, the course itself, the learning process, the students themselves factor platform that five dimensions to investigate junior high school students online learning, through the platform of data, data analysis, interviews and questionnaires junior high school students come to question the status quo and online learning.