The invention discloses an environment-friendly conveying belt structure of a stone material factory. The environment-friendly conveying belt structure comprises a conveying belt, a box body and an induced draft fan. A motor rack is arranged on the rear end face of the conveying belt. A motor is fixed to the top of the motor rack. Openings are formed in the positions, close to the bottom, of the left side face and the right side face of the box body. A water inlet pipe is connected to the top position of the left side of the box body. The end, away from the box body, of the water inlet pipe is connected with a spray head. A material uniformization plate is arranged at the position, close to the left side, of the top in the box body. The right side of the induced draft fan is connected with an exhaust pipe. The right side of the exhaust pipe is connected with a cloth bag for dust collection. The top of the induced draft fan is connected with an air inlet pipe. The end, away from the induced draft fan, of the air inlet pipe extends to the middle position in the box body to be connected with a dust collection cover. According to the structure, raising dust on the conveying belt can be effectively avoided; meanwhile, conveyed materials are arranged uniformly; the trouble brought by raising dust to workers is reduced; maintenance is convenient; and the dust suction effect is obvious.