PROBLEM TO BE SOLVED: To prevent breakage of particulate matter formed from lime cake during handling thereof, and to easily secure the storage space of the particulate matter.SOLUTION: The treatment method for the recycling of lime cake includes drying the lime cake and forming the particulate matter by compressing the dried lime cake. The moisture content of the lime cake before drying lied in the range of 20-50% and the drying of the lime cake includes settling the moisture content of the lime cake within the range of 7-12%.