The utility model provides an ecological water curtain wall. The water curtain wall comprises a curtain wall body, an air pump and an automatic control device, wherein a rubber hose is embedded at the bottom of the curtain wall body; a plurality of holes are alternately formed on the rubber hose in the longitudinal direction; the curtain wall body is vertically separated to form a plurality of water tanks; transverse holes passing through the curtain wall body are used for communicating the plurality of water tanks, and the plurality of holes on the rubber hose respectively correspond to the plurality of water tanks; the periphery of the curtain wall body is fixed by an aluminum profile and sealed by glue; an air outlet is formed at the upper left end of the aluminum profile, and a water outlet is formed at the upper right end of the aluminum profile; the air pump is used for pumping air into the plurality of water tanks; and the time of opening and closing the air pump is controlled by the automatic control device. Compared with the existing water curtain wall, the ecological water curtain wall has the characteristics of small size, light dead-weight, convenience in assembly and daily maintenance and controllable operation time, and is more suitable for wall decoration and background of a display cabinet.