The invention discloses a method for processing traditional Chinese medicinal ultramicro wall-broken oral tablet slices. The method mainly comprises the steps of standardizing, processing and cutting single traditional Chinese medicinal material, then removing pesticide residues through high-pressure cleaning, drying, processing the cut traditional Chinese medicinal materials into coarse powder, dipping to remove heavy metals, processing the coarse powder into ultramicro wall-broken powder through ultramicro grinding, mixing the ultramicro wall-broken powder with pharmaceutical adjuvant powder according to a certain ratio and sterilizing after reaching the standard of quality control to finally obtain the tablet slices. The new tablet slices are prepared from single traditional Chinese medicinal slice, can be directly swallowed without brewing, have various flavors and integrate the advantages of ultramicro power and oral tablets, so that the effective time can be controlled, the usage amount of the pharmaceutical adjuvants is less, the drug-loading rate is high, and a new method is innovated for the modernization of traditional Chinese medicines.