Water curtain drainage assembly and household appliance

The invention discloses a water curtain drainage assembly and a household appliance. The water curtain drainage assembly is arranged in a shell and comprises a flow-guiding plate, and the flow-guidingplate transversely spans between a water diversion box and a water receiving box, wherein the water diversion box and the water receiving box are arranged on the upper side and the lower side. Two ends of the flow-guiding plate are separately and detachably and fixedly connected with the two side walls of the shell, an intercepting groove for intercepting a water curtain is formed in the flow-guiding plate, a water return channel communicating with the intercepting groove is arranged on the side wall of the shell, and the tail end of the water return channel communicates with inside of the water receiving box. The flow-guiding plate is additionally arranged on the household appliance, when a wet curtain is not installed, the flow-guiding plate is in an inclined state, and the water curtain flowing out of the wate