A window wiper is provided. A wiper blade assembly includes a wiper blade and a mounting part. The wiper blade includes a first layer and a second layer which are arranged in a layered manner. The first layer is a scrubbing layer made of a rubber material, silica gel material, soft PVC material or EVA material, and the second layer is a guide layer made of a water-absorbing material. A rear end of the wiper blade is connected with the mounting part, and its front end is a free end. The window wiper includes the wiper blade assembly, a wiper blade mounting frame and a handle, wherein the wiper blade mounting frame is provided with a water receiving port. When the wiper blade assembly is mounted on the handle through the wiper blade mounting frame, the guide layer is located above the water receiving port.