The invention relates to the field of rainwater recycling and reuse, and discloses a cell rainwater recycling system based on sponge city construction. The system includes a roof rainwater recovery device disposed on a roof, and a ground rainwater recovery device disposed on the ground, wherein the roof rainwater recovery device includes a water storage block disposed on the roof, a vegetation layer disposed on the water storage block, and a water storage tank disposed on one side of the water storage block orienting to the vegetation layer, and the water storage block is provided with a waterdelivery assembly for transporting rainwater to a user of a cell. The system has the effect of reducing waste of resources.