The invention discloses a general type workpiece cutting device. The general type workpiece cutting device comprises an operation table, a positioning plate, a motor, a cutting wheel, a cylinder, a limiting block and a pressing plate, and is characterized in that the operation table is arranged on brackets, and a guide rail, a bearing plate and a fixing frame are arranged on the operation table; fixing plates are arranged on the bearing plate; the positioning plate is arranged on the guide rail; the motor is arranged on the positioning plate, and a transmission shaft is arranged on the motor; the cutting wheel is arranged on the transmission shaft through a connection block; the cylinder is arranged on the fixing frame, and an adjustment rod is arranged on the cylinder; the limiting block is connected with the fixing plates through a connection rod; the pressing plate is arranged on the adjustment rod through a mounting block. According to the general type workpiece cutting device, the cutting wheel is of a replaceable structure, and different cutting wheels can be selected according to different workpieces, so that the application range of the cutting device is expanded, the generality of the cutting device is improved, and the cost for manufacturing multiple cutting devices is reduced.