Road green plant rainwater irrigation system for three-dimensional greening

The utility model relates to the technical field of rainwater irrigation. The utility model relates to a rainwater irrigation system, in particular to a road green plant rainwater irrigation system for three-dimensional greening. The device comprises a water storage device and an irrigation device, the water storage device comprises a water receiving tank used for receiving rainwater, a water storage pool located below the water receiving tank and used for storing the rainwater, and a filtering assembly arranged on the water receiving tank and used for filtering impurities. The bottom of the water receiving tank is connected with a reservoir; the reservoir is connected with the irrigation device; the filtering assembly comprises a plastic net and a leaking net, the plastic net is arrangedon the side, away from the water storage tank, of the water receiving tank, the water storage tank is connected with the irrigation device through a connecting pipe, the connecting pipe comprises a front pipe and a rear pipe,