The invention discloses a distiller's yeast drying device for distiller's yeast processing, and relates to the technical field of distiller's yeast processing, the distiller's yeast drying device comprises a mounting plate, a raw material box, a material drying tank and a drying tank are mounted on the mounting plate, a lifting assembly is mounted on the raw material box, a material overturning assembly is mounted on the material drying tank, and the drying tank is connected with a material overturning and drying mechanism. A supporting vertical frame is fixedly mounted on the outer wall of one side of the raw material box; according to the distiller's yeast drying device, the arranged lifting assembly is matched with the material barrel, distiller's yeast to be dried can fall into the material drying tank through the guiding effect of the vibration material guiding assembly after being lifted from the raw material box at a constant speed, in the process, a heating wire is started, the material barrel and the material drying tank have the high temperature, and the distiller's yeast can be heated and dried when passing through the surface walls of the material barrel and the material drying tank; and finally, the distiller's yeast is fed into the drying tank through the material receiving assembly, multi-stage and efficient drying treatment of the distiller's yeast is achieved, the drying quality of the distiller's yeast is improved, and the uniformity and dryness are well guaranteed.