The invention discloses a dust removal device for bag production comprising a workbench, a pretreatment assembly, an adsorption assembly and an air drying assembly, the workbench is arranged on the ground, the pretreatment assembly is arranged at one end of the workbench, the adsorption assembly is arranged in the middle of the workbench, and the air drying assembly is arranged at the other end ofthe workbench; wherein the pretreatment assembly comprises a water storage tank, a water tank opening, a water inlet pipe, a water pump, a water outlet pipe, a spraying pipe and an atomizing nozzle,the adsorption assembly comprises a support, an upper adsorption roller, a side adsorption roller and a lower adsorption roller, and the air drying assembly comprises a protective cover, an air outletpipe, an air outlet, an air conveying pipe and an air pump. The invention relates to the technical field of bag production, in particular to a dust removal device for bag production, which can removedust on the surface of a product, can adsorb the dust, is convenient to operate automatically and improves the working efficiency.