Ecological floating island

The embodiment of the invention discloses an ecological floating island, relates to the technical field of water body treatment, and solves the problem that an ecological floating island is difficult to supplement oxygen to a water body in related technologies. The ecological floating island comprises a floating island body and a water purification and aeration module, and the floating island body is used for floating on the surface of a water body and planting aquatic plants; the water purification and aeration module comprises an aeration machine, an aeration pipeline and a water purification filler piece, the aeration machine is fixed on the floating island body and is used for producing oxygen-containing gas and supplying the oxygen-containing gas into the aeration pipeline, the aeration pipeline is arranged at the to-be-purified depth of the water body and is provided with aeration holes, the aeration holes are used for conveying the oxygen-containing gas into the water body, and the water purification f