Urban ecological risk analysis is a relatively new study field. Rapid industrial modernization and urbanization have significantly im- proved the living standards of the city. However, as environmental, safety and health issues are causing widespread concern, these problems have potential serious threat on ecosystems and human health. So how to solve many problems arising from city has become a key to sustain- able development of human civilization. The present article analyzed the major problems that the city confronts and pointed out the main meas- ures from the aspects of urban environment, safety and health.