The utility model relates to road surface temperature testing devices and discloses a road surface temperature testing device. The road surface temperature testing device includes a protection shade which is a hollow cylinder enclosed in the upper bottom face and the lower bottom face. The upper part of the periphery of the protection shade is provided with a lead hole. A plurality of installation holes are arranged below the lead hole successively. Each installation hole is correspondingly equipped with a temperature sensor whose lead is led out through the lead hole. Corresponding depth scale is marked beside each installation hole. By adopting the road surface temperature testing device for testing, the operation is convenient, the testing distance is accurate and the testing results are accurate. At the same time, the road surface temperature testing device can be used repeatedly, causing no resource waste.