The present invention relates to an ultrafine powder traditional Chinese medicine for treating tumors, which belongs to medicines and drugs. The ultrafine powder traditional Chinese medicine is prepared by adopting 12 fungus Chinese herbal medicines of phellinus chrysoloma, phellinus baumii pilate, jew ear parasitized on Japanese pagodatree, agaricus blazei murill, pleurotus nebrodensis,curcumin, grifola frondosa, cordyceps militaris, umbellate pore furgus, inonotus obliquus, rainbow conk and hedgehog hydnum, wherein the mixture ratio in parts by weight for composition is as follows: phellinus chrysoloma: 40-60 parts; phellinus baumii pilate, jew ear parasitized on Japanese pagodatree, agaricus blazei murill, pleurotus nebrodensis, curcumin, grifola frondosa, cordyceps militaris and umbellate pore furgus: 10-30 parts for each; inonotus obliquus: 5-20 parts; and rainbow conk and hedgehog hydnum: 5-15 parts for each. In the ultrafine powder traditional Chinese medicine, the phellinus chrysoloma and other fungus medicinal materials are utilized as raw materials, and the compatibility principle of monarch, minister, adjuvant and dispatcher of traditional Chinese medicine is adopted, thus the drug effect is obvious, the effect of treating cancers by using the fungus traditional Chinese medicine is enhanced and simultaneously the types of the cancers for fighting against are increased; and the traditional Chinese medicine ultrafine smashing technology is adopted, the drug effect far exceeds the ordinary smashing technology, and especially for the fungus traditional Chinese medicine taking chitin as cell walls, ultrafine smashing is applied to break the cell walls, thus effective substances in cells can be easily absorbed by a human body.