Abstract: The freedom of network behaviour does not mean to do what one likes beyong the restrictions of technology, politics, law, etc., but based on the understanding of these conditions, with a full respect for the behavior of the network consensus which has been formed, for people to create all kinds of realization of the freedom of action conditions.The network only provides a tool or platform for people to realize the freedom.Therefore there exists only a practical and historic freedom of network action, not the unconditional, absolute freedom.Marxism’s view of freedom provides a scientific world view and methodology for us to make a good understanding of the freedom of network behavior.