The invention relates to a cutting device for an instant lottery ticket. The cutting device for the instant lottery ticket comprises a housing that at least integrates left and right side plates, a bottom mounting hole, a ticket feeding slot, a first sensor port, a mounting hole of a driving plate and a blade fixing frame; a transmission rubber covered roller, an upper rubber covered roller, a driving rubber covered roller and a turning shaft provided with a pressing plate, which are rotationally supported and extend between the left and right side plats of the housing; an intermediate shaft arranged on the right side plate; a motor arranged on the housing, an electromagnetic solenoid arranged on the left side plate, a blade provided with a second sensor port and arranged on the blade fixing frame, and a driving plate electrically connected with the motor and the electromagnetic solenoid, wherein a power-on rotating angle is predetermined for the electromagnetic solenoid fixedly connected with the turning shaft; and a set of gears engaged with each other in sequence and arranged on the right side plate, wherein the gears comprise a motor gear, an idle gear, a transmission gear and a driven gear. The cutting device for the instant lottery ticket disclosed by the invention has the advantages of capabilities of automatically cutting the ticket according to commands and monitoring the ticket cutting process, reduced space occupation and high work efficiency.