The invention discloses an efficient cutting device which comprises an operating table, a locating plate, air cylinders, a motor, limiting blocks, a cutting wheel and a control box. The efficient cutting device is characterized in that the operating table is arranged on a support, the operating table is provided with fixing plates and locating rods, the locating plate is arranged on the locating rods through connecting nuts, the air cylinders are arranged on the fixing plates, adjusting rods are arranged on the air cylinders, the motor is arranged on the locating plate, and a rotating shaft is arranged on the motor. According to the efficient cutting device, the limiting blocks are arranged on the adjusting rods of the air cylinders, limiting grooves are formed in the limiting blocks, decoration members can be fixed firmly through the limiting grooves, the stability of the decoration members in the cutting process can be improved, then cutting quality of the decoration members is improved, the limiting blocks are arranged to be of a replaceable structure, the different limiting blocks can be replaced conveniently according to the different decoration members, then the application range of the cutting device is enlarged, and working efficiency of the cutting device is improved.