The iron oxide red (Fe2O3) powder as the inorganic pigment apply to many trades extensively, and have important application in the fields of function pottery, magnetized material etc.. It produces a large amount of wind-borne dust in process produce, cause and pollutes the workshop and surrounding environment seriously. According to experiment, this text has analyzed its basic characteristic. To bring up the basic scheme which purifies the dust by low-voltage pulse filter technology, have chosen the filter material to be suited to purifying the dust, and have carried on project application.