Garden groove structure

The utility model relates to a garden groove structure which comprises a water storage pool and a water drainage groove, and a water drainage pipe is arranged between the water drainage groove and the water storage pool. A soil base, a plain concrete cushion layer and a bluestone piling layer are arranged on the bottom surface of the drainage groove; a drainage groove surface is formed in the bluestone piling layer; cement column walls are arranged on the two sides of the inner wall of the drainage groove face respectively, and a water-permeable bottom plate is arranged above the cement column walls; and a composite structure layer covers the permeable bottom plate. The rainwater collecting device is ingenious in design and improvement, the rainwater collecting device comprises the water storage pool and the drainage groove, rainwater can be effectively collected when the rainwater gathers into the drainage groove and then enters the water storage pool in rainy days, meanwhile, the composite structure layer i