The invention discloses a cutting device capable of achieving fast drying and preventing fragmentation and used for swelled candy rice processing. The cutting device comprises a shell, a driven rollerand a pressing plate and is characterized in that a support rack is mounted at the upper end of the shell, a first drive motor is mounted at the upper end of the support rack through a motor mountingrack, a drive gear is connected to the front end of the motor mounting rack in a key connection manner, the drive gear is connected with a driven gear through a conveying toothed belt, the driven gear is connected to the upper end of a single-rotation reciprocating screw in a key connection manner, the lower end of the single-rotation reciprocating screw penetrates the upper surface of the support rack and extends into the support rack to be connected with the bottom-end bearing of a limit displacement groove, and the limit displacement grooves are arranged in the front side and the rear sideof the support rack. The cutting device has the advantages that two sides of the to-be-cut part of swelled candy rice can be fixed during swelled candy rice cutting, swelled candy rice fragmentationduring cutting can be avoided, and the cut swelled candy rice can be fast dried.