a die for manufacturing resin pellets capable of processing a die plate easily , and achieving simplification of a construction of heat channels and enhancement of heating efficiency . a die 1 for manufacturing resin pellets provided with a number of nozzle orifices 7 in the outer surface of the die , there are provided a plurality of rows of heat channels 8 which extend in a direction crossing the resin channels 5 in the vicinity of the outer surface of the die and are arranged along the resin channels 5 . at least one of an introducing course and a discharging course for a heat medium in the plurality of heat channels 8 .