Disclosed is an ice storage-type air conditioner. The disclosed ice storage-type air conditioner comprises: an air conditioner main body having an air inlet through which outside air is introduced and an air outlet through which cooled cooling air is discharged; a cooling chamber unit installed inside the air conditioner main body and filled with ice storage materials; a cooling means installed inside the air conditioner main body to cool and freeze the ice storage materials filled in the cooling chamber unit; a blower fan installed to be connected to the air outlet to discharge the air to the outside through the air outlet; and a plurality of air cooling pipes formed in a linear pipe shape, installed to vertically penetrate the cooling chamber unit, arranged side by side in parallel, and cooled by the frozen ice storage materials in the cooling chamber unit to cool the outside air introduced from the air inlet and then move the cooled outside air to the blower fan.