Water storage and supply device for green belt of sponge city

The utility model discloses a sponge city green belt water storage and supply device which comprises a road surface, a greening groove is formed in the road surface, a planting layer and a leakage layer are sequentially arranged in the greening groove from top to bottom, a water guide ditch is formed in the bottom of the greening groove, a rainwater collecting groove is formed in the road surface, and a first filter screen is arranged at the top of the rainwater collecting groove. A circulation groove used for communicating the rainwater collecting groove with the water guide ditch is formed in the road surface, a drainage mechanism is arranged in the rainwater collecting groove, and a lifting assembly is connected to the drainage mechanism; collected rainwater can be used for automatically watering and maintaining the green belt, the workload and the working difficulty of workers are reduced, the irrigation efficiency of the green belt is improved, meanwhile, water resources are conveniently and repeatedly u