Rainwater permeation and accumulation device for sponge park

The utility model relates to the technical field of sponge parks, in particular to a sponge park rainwater infiltration and accumulation device which comprises a soil covering planting channel, water seepage openings, water absorption plates, a water retaining channel and a water accumulation channel, a plurality of water seepage openings are formed in the soil covering planting channel, a plurality of water absorption plates are installed on the soil covering planting channel at intervals, and the bottoms of the water absorption plates are tightly attached to the inner top of the water retaining channel. The water-retaining canal is located under the soil-covering planting canal, the two ends of the water-retaining canal are inclined upwards, a water-retaining area and an overflow area are formed between the water-retaining canal and the soil-covering planting canal, the water-accumulating canal is located under the water-retaining canal, and the width of the water-accumulating canal is larger than that of t