The invention discloses a dust removal device for stone material processing, which comprises a dust suction port, a first valve, a fan, a second water pump and a handle. The dust suction port is sealed and connected to the lower end of a dust suction arm, and the first valve is sealed by a water pipe. Connected to the left side of the dust removal chamber, the inner bottom surface of the dust removal chamber is provided with a deflector, the fan is sealed and connected with the dust removal chamber through a smoke pipe, the first water pump is arranged on the top of the filter chamber, and the second water pump It is sealed and connected to the left side of the filter chamber through a water pipe, and the inside of the filter chamber is connected with the fixing bolts of the filter plate, and the right side of the filter chamber is sealed with the decontamination door through a rotating hinge, and the handle is arranged on the outside of the decontamination door. surface. The stone processing dust removal device is equipped with deflectors to facilitate the discharge of sewage at the bottom of the dust removal chamber. The filter plate filters out impurities in the sewage. The decontamination door can regularly clean the dust inside the filter chamber to prevent too much dust after filtering from affecting the filter chamber. filter effect.