The invention discloses a belt wheel driving device for paddy hulling rubber roll transmission. The device comprises a supporting mechanism, the supporting mechanism comprises a first fixing plate anda second fixing plate, a side plate is arranged on the first fixing plate and the second fixing plate and vertically arranged, a first reinforcing plate is arranged between the first fixing plate andthe side plate, a second reinforcing plate is arranged between the second fixing plate and the side plate, the side plate is provided with a plurality of adjusting grooves, the middle of the side plate is provided with an opening cavity, the outer side wall of the side plate is provided with a driving motor, the side wall of the front face of the driving motor is provided with a positioning pipe,the front portion of the driving motor is provided with a driving shaft, the driving shaft penetrates through the opening cavity, the end of the driving shaft is provided with a driving wheel, the adjusting grooves are in butt connection with a positioning pipe, and fixing bolts are inserted to the adjusting grooves and the positioning pipe. A hulling rubber roll can be rapidly driven, and the hulling rubber roll driving efficiency is greatly improved.