The invention discloses a dust collector cloth bag cleaning machine applicable to grain and oil processing industry. The dust collector cloth bag cleaning machine applicable to grain and oil processing industry comprises a machine frame, and a cover plate which is hinged to the top part of the machine frame; two circular brushes which are driven to rotate by power motors are arranged inside the cover plate side by side at interval; a supporting plate is arranged in the machine frame below the cover plate in an inclined way; a groove is formed in the middle part of the supporting plate along an inclined direction; an ash discharging channel which is communicated with an ash storage hopper on the bottom of the machine frame is formed between the supporting plate and a front panel of the machine frame; an ash outlet is formed in the bottom of the ash storage hopper; a cloth bag feeding hole corresponding to the position of the groove is formed in the front panel of the machine frame; a bagging device which extends to the groove is movably arranged in the cloth bag feeding hole. The dust collector cloth bag cleaning machine applicable to grain and oil processing industry has the advantages of simple and compact structure, small using space and convenience in moving; the problems of disadvantages of pulse-jet cleaning and poor labor environment and low work efficiency of manual cleaning are solved; the dust collector cloth bag cleaning machine is particularly suitable for a cleaning process in the grain and oil processing industry and can also be used in a flour grinding process; the waste of flour is reduced.