The invention discloses a traffic control inducing coordination system and method based on cloud computing. Cloud platform architecture is used as a foundation. The system comprises a traffic information collecting module, a traffic information processing module, a traffic state judging module, a traffic signal control optimization module, a traffic inducing scheme generating module and a displaying module. On the basis of a cloud computing platform, effective coordination of traffic control and inducing is achieved, and traffic control and inducing information is issued quickly and accurately.