The fast development of the Internet provides a wealth of online resources and to facilitate the teaching of space,collaborative learning their own identity increasingly concerned by the broad masses of workers in general,collaborative learning how to use the Internet for teaching strategies.provide an effective learning environment is the focus of attention in the field of educational technology focus.In some cooperation from the foreign literature study on the basis of collaborative learning to do more comprehensive expositionHe summed up the conditions for effective collaborative learning, and online collaborative learning into eight thinning mechanism.Eight of this mechanism in the future is a concrete realization of the process of online learning strategy for further discussion