Greenery patches water circle device

The utility model discloses a greenery patches water circle device. Include: a plurality of filter wells, it is evenly laid on the greenery patches, and the filter well is arranged in collecting the rainwater and pours into the rainwater of collecting into first cistern through the pipeline, first cistern, it links to each other with the filter well through the pipeline, rain water purification installation, its with first cistern setting between the second cistern, the rainwater that will come from first cistern purifies postinjection second tank, and the second cistern, it sets up in one side of first cistern, through water purification installation and first cistern intercommunication for rainwater after the storage purifies, watering device, watering device carries for evenly laying the shower nozzle on the greenery patches, for watering in the greenery patches through the rainwater that the water pump will be stored in the second cistern. The beneficial effects of the utility model are that: can collect the rainwater, purify to be applied to greenery patches watering with it, can be in the guarantee urban afforestation water economy resource, have the retaining function, can prevent arid and flood.