The invention discloses a white square rice cake slicer and relates to the technical field of food processing machines. The white square rice cake slicer comprises a storage rack and a cutter; the storage rack is provided with a conveying belt, and a driving wheel of the conveying belt is installed on the storage rack through a driving shaft; a pressing device is arranged in the part, above the conveying belt, of the storage rack, a lifting cutter frame vertically provided with the cutter is arranged in the position, in front of an upward moving part of the conveying belt in the moving direction, of the storage rack, and the lifting cutter frame is hinged with a transmission wheel driven by a motor through a rocking bar in an offset distance; and a connection rod is hinged with the transmission wheel in an offset distance, and is connected with an orientation ratchet wheel arranged on the driving shaft through a conveying belt push device. According to the white square rice cake slicer, compared with the prior art, the problems that by means of an existing mode, the white square rice cake slicing efficiency is low, and the slice thickness is not uniform can be solved.