The utility model provides a natural pond liquid concentration and product water cyclic utilization's device, it relates to a natural pond liquid concentration and product water cyclic utilization's device. The utility model discloses a solve current with high costs, the membrane serious pollution of milipore filter processing procedure, washing effluent utilizes the incomplete problem. It includes that processing unit, natural pond liquid milipore filter processing unit and membrane wash constitutional unit to natural pond liquid in advance. The utility model discloses the device is to the cyclic utilization of the natural pond sediment that obtains, concentrate, product water make full use of, especially product water, has realized the resourceful treatment of natural pond liquid, has reduced natural pond liquid treatment cost, reduces the pollution to the environment. Be applied to the natural pond liquid field of handling.