The present disclosure pertains to the field of processing fresh traditional Chinese medicinal materials, and particularly relates to a method of preparing a fresh Ophiocordyceps sinensis product. The fresh Ophiocordyceps sinensis product may be prepared by the following steps: 1) stripping off mud from a fresh Ophiocordyceps sinensis； 2) brushing with flowing water； 3) cleaning ultrasonically； 4) humidifying the cleaned fresh Ophiocordyceps sinensis with atomized water for 15 to 20 minutes； 5) packaging the humidified fresh Ophiocordyceps sinensis by sealing it in a tube charged with a modified-atmosphere； and 6) storing the tube at a low temperature； wherein step 1) to step 4) are carried out at a temperature from 3 to 15° C. The present disclosure also relates to a fresh Ophiocordyceps sinensis product prepared by the above method.
