Pressure relief water recycling device for basement bottom plate

The utility model relates to the technical field of basement bottom plate pressure relief, in particular to a pressure relief water recycling device for a basement bottom plate, which comprises a ground, and a first water drainage well, a second water drainage well, a third water drainage well and a fourth water drainage well are fixedly mounted at the lower end of the ground. The heights of the bottom faces of the first drainage well, the second drainage well, the third drainage well and the fourth drainage well are sequentially decreased, drainage ponds are formed in the first drainage well, the second drainage well, the third drainage well and the fourth drainage well, and a drainage groove is formed in the upper end of the ground in a penetrating mode. And a water draining groove formed in the ground is communicated with a water draining pool in the fourth water draining well. According to the municipal rainwater drainage system, due to the fact that the filter screen is installed in the drainage pool for