Integrated underground circular rainwater storage pond

The utility model provides an integrated underground circular rainwater storage pond, which relates to the field of rainwater treatment equipment, a main body of the integrated underground circular rainwater storage pond is buried underground, the integrated underground circular rainwater storage pond comprises a circular equipment layer and a pond layer which are isolated from top to bottom, and a water inlet pipe, a water ejector, a flushing water discharge pump and a discharge pipe are arranged in the pond layer. The space above the elevation of the water inlet pipe can be fully utilized, the space utilization rate is high, and municipal facilities are greened; the air inlet pipe of the water ejector is connected with the top plate of the pool layer through the guide component, so that the stability of the air inlet pipe of the water ejector can be effectively enhanced, the water ejector has great advantages for a pool body with large effective water depth, and the whole water ejector has the advantages of