PROBLEM TO BE SOLVED: To provide a dialysis information display device for speedily and appropriately giving an instruction of a treatment prescription on the day of a dialysis treatment, in the dialysis treatment.SOLUTION: In the vicinity of the bed of a dialysis patient, a movable dialysis information display device separate from a dialyzer is provided. The display device displays diagrams and charts which allow plural medical stuffs making a round of visit to instantly grasp the treatment result and the present situation relating the dialysis patient, thereby enabling the medical stuffs to provide an appropriate treatment prescription.SELECTED DRAWING: Figure 2