Abstract: A numerical model for the temperature field calculation of concrete pavement is developed in this paper. The effect of hydration heat of cement, solar radiation and atmospheric temperature changes on the temperature field are taking into account in the model. Calculation results show that the temperature in concrete pavement varies periodically by days due to the reaction of solar radiation and atmospheric temperature changes. The hydration heat of cement can contribute to the early age temperature rise. The temperature difference between top and bottom of concrete pavement is cycled by days, positive in daytime and negative at night. The maximum temperature difference between top and bottom is expected in summer, and the minimum difference is expected in winner. The casting time and seasons can also influence the temperature field of concrete pavements.