With the constant development of the society, of people living standard rise ceaselessly, all sorts of crisis events staged,, the government to deal with crisis management ability is receiving hitherto unknown challenge. However, due to the lack of government communication mechanism between the government and the people, that the gap is growing. This article from the PX event to embark, crisis and crisis communication and related problems are discussed, analysis of China's state of crisis information communication problems, and for the government to establish and perfect the information communication mechanism and put forward relevant countermeasures and suggestions.