The process of contemporary cultureshaping has a close relationship with mass communication, that is, the development of culture promotes the development of mass communication, also, the improvement of the theory on the mass media and the accumulation of practice made great impact on the formation and development of culture at the same time. However, because of the negative factors of mass media as follow: complex contents, rigid mode, limited technology, weak gatekeeper and varying function and so on, we should see that it is not all positive the mass media affects culture’ formation and development. This article generalizes the relationship between mass media and cultureshaping, analyzes the negative factors of mass media and the causes of it, and summarizes the negative effects during the formation of culture. Furthermore, it proposes the strategy of avoiding the negative effects, so as to promote the positive effects of the mass communication’s impact on cultural shaping.