The utility model discloses an ecological bed that floats of water sheild intergrowth type belongs to aquaculture, environmental protection fishery and resource circulation and effectively utilizes the field. The bed is floated to this ecology: in the pond, from the top down, fence protecting wire net, superficial bed and box with a net connect gradually forms a semi -closed whole, water grass planting is in the box with a net. The utility model discloses simple structure, with low costs, it is apparent to produce effects, can effectively improve water quality, improve the water transparency, reduce the consumption of water resource, can prevent that the aquatic livestock from to the gnawing of the roots of pasture and water, stem and leaf, guaranteeing that pasture and water can well grow, improve the clean effect, the emergence of fish disease can be reduced effectively, flesh of fish quality is improved, be applicable to the eutrophic water body such as river, reservoir and lake that receive the pollution, be favorable to wideling popularize.