A disk playing device includes: a body portion having a disk insertion slot for; a disk playing unit that plays a disk inserted through the disk insertion slot; a slot-in type disk insertion unit that draws in the disk inserted in the disk insertion slot toward the disk playing unit; a sub control unit that drives the disk insertion unit and plays the disk with the disk playing unit; a main control unit; and a disk insertion detection unit that detects a disk and output an insertion detection signal to the main control unit when the disk is inserted in the disk insertion slot, The main control unit determines whether or not the sub control unit is turned OFF when a disk insertion signal is received from the disk insertion detection unit, and drives the disk insertion unit if the sub control unit is OFF.