Blog has become one of the major network behaviors to today's college students.However,students has various disruptive behaviors in the process of the blog with the blog communication inherent,which tells us that there is deficient media literacy of university students,that is backward technology,imperfect knowledge structure,weak information processing capacity,and the lack of subjective consciousness.This can help us find the fit points between students,network media literacy and the blog,then determine the strategy to improve the media literacy of the college students based on blog.