A food dryer according to the disclosed present invention comprises: drying conveyor belts (100), provided in multiple tiers in the vertical direction, for loading thereon food to be dried in a drying chamber (20); a raw material inlet port (120), provided correspondingly on the upper portion of one end of an uppermost drying conveyor belt (100a), for introducing therein food for drying; and a raw material outlet port (130), provided correspondingly on the lower portion of one end of a lowermost drying conveyor belt (100c), for discharging food of which drying is completed.
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