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Aiming at realizing the control of vehicle exhaust emissions, solving the problem that the existing model can’t predict the pollutant through the fuel consumption and establish the contact between the fuel consumption and the factors affecting the pollutant emissions, the date of the fuel consumption and the theoretical model were researched, then the microscopic comprehensive prediction model was proposed. It was the model that made by the date of fuel consumption and the pollutant emissions that based on the real world driving cycle measured by Portable Emission Measurement System (PEMS), and then combined the theoretical model of the fuel consumption. At last, the comprehensive prediction model was proved by using the real-time date that was also collected by the PEMS. The experimental result shows that the effect of the model used the first time was accurate enough to predict the pollutant emissions such as CO and NO that the error between the actual and the predicted was 14.3% and 12.8%, and lays the good foundation for further experiment with the contact between the fuel consumption and the pollutant emissions.