The invention relates to a crushing device of medical traditional Chinese medicine materials, in particular to a crushing device of traditional Chinese medicine materials in a medical respiratory medicine department. The crushing device of the traditional Chinese medicine materials in the medical respiratory medicine department can cut and crush the traditional Chinese medicine materials for multiple times, the labor intensity is low, and the burden of medical workers can be relieved; according to the technical scheme, the crushing device of the traditional Chinese medicine materials in the medical respiratory medicine department comprises a base, a large supporting plate, a first large connecting plate, a crushing cylinder, a small support, a first bearing, a first large rotating shaft, afirst belt wheel, a material pushing plate, a crushing cutter and the like, wherein the large supporting plate is connected to the left end of the top of the base. According to the device, the crushing device of the traditional Chinese medicine materials in the medical respiratory department can cut and crush the traditional Chinese medicinal materials for multiple times, so that the cutting andcrushing effects are good, the cutting and crushing efficiency is high, the labor intensity is low, time and labor are saved, the burden of the medical workers can be relieved, and rehabilitation andtreatment of a patient can be facilitated.