Online learning is a modern way of learning developed on the Internet.It has become an important way of information acquisition,information transmission and information exchange.This paper makes an investigation and analysis of college students'participation in online learning,and makes a detailed comparison of the advantages and disadvantages of various network learning modes.Based on the research of e-learning mode,this paper explores the e-learning mechanism from the aspects of assessment,supervision,interaction,answering questions and information acquisition,and puts forward some improveme...