The invention relates to a cordyceps militaris mycelium pellet biscuit and a production method thereof. The method comprises the steps as follows: cordyceps militaris is subjected to liquid fermentation as a strain for preparation of cordyceps militaris mycelium pellets; then, the cordyceps militaris mycelium pellets are sterilized at the high temperature, and edible cordyceps militaris mycelium pellets are prepared; finally, raw materials for biscuit production and 1%-15% of cordyceps militaris mycelium pellets are uniformly mixed, the mixture is kneaded into dough, shaping and freezing are performed, the obtained dough is cut into slices, the slices are baked by an oven, and the cordyceps militaris mycelium pellet biscuit can be produced. The invention aims to provide the cordyceps militaris mycelium pellet biscuit with complete functions and balanced nutrients and the production method of the biscuit, so that the immune and disease prevention and treatment functions can be realized.