With the development of social network, people can freely express their opinions. This takes the Internet revolution of the personal expression, pursuit of equal right to a new climax. Social network provides an excellent information sharing and exchange platform for primary learning-type party construction in colleges and universities. This paper analyzes the background, connotation and significance of primary learning-type party organization in colleges and universities, discusses the existed problems, and proposes new means which makes full use of social network to construct the primary learning-type party organization in colleges and universities.