Urban rainstorm waterlogging point monitoring and early warning device

The utility model discloses an urban rainstorm waterlogging point monitoring early warning device which comprises a base fixed on the ground, the upper surface of the base is provided with a limiting groove, a clamping plate is embedded in the limiting groove, the upper surface of the clamping plate is provided with a supporting rod through a bolt, and the top of the supporting rod is fixedly connected with an early warning display. A receding groove is formed in one side of the supporting rod, a water level sensor is fixedly connected into the receding groove and electrically connected with the early warning displayer, second sliding grooves are formed in the two sides of the limiting groove, and clamping blocks are slidably connected into the second sliding grooves. The upper base and the lower base do not need to be fixed through screws, time is saved, efficiency is improved, an alarm can be given out to remind workers, the workers can know the situation at the first time, the use effect of the monitoring