Dust collection device of traditional Chinese medicine pulverizer

The utility model relates to the field of dust collection equipment, and discloses a dust collection device of a traditional Chinese medicine grinder, which comprises an air inlet pipe and a dust collection box, the dust collection box comprises a fan bin, a dust collection bin and a dust collection bin, one end of the air inlet pipe is communicated with the material collection box, and the other end of the air inlet pipe is communicated with an exhaust port in the dust collection bin; the trapping bags sleeve and are fixed at the exhaust port, the trapping bags comprise a first trapping bag and a second trapping bag, the first trapping bag sleeves and is fixed on the exhaust port, the second trapping bag sleeves the periphery of the first trapping bag, the second trapping bag is fixed at the exhaust port, and the second trapping bag completely wraps the first trapping bag. The inner-layer trapping bag and the outer-layer trapping bag are arranged in the dust removal bin, the inner-layer trapping bag plays a