The development of urbanization breeds a modern civilization and accelerates the economy，culture and technology development，but meanwhile，it induces the deterioration of urban environment arousing the pollution problems，such as air pollution，water pollution，and solid waste pollution. Furthermore，the rapid growth of the population will arouse irreversible influence to the living environment and the future development，thus the prevention and treatment strategies are imperative. According to the analysis of the physical properties，origin，distribution and influence of air pollutants，this report further explores the strategies to control the urban air pollution，and insists that the governments establish corresponding institution，energetically prop up the high-tech environmental protection technologies. The administrative agency should strictly limit heavy pollution projects，and encourage the technology development of clean and renewable energy. Through policy support and market regulation，the economic is developed on the premise of protecting the environment. An emergency system for sudden air pollution should be established. Through fully propaganda，the public realize the importance of air pollution emergency mechanism，and have a sufficient understanding to get active support and cooperation.