NOVELTY - Tricholoma matsutake fungus powder comprises 20-30 pts. wt. potato, 20-30 pts. wt. glucose, 20-30 pts. wt. agar, 3-5 pts. wt. potassium dihydrogen phosphate, 1-3 pts. wt. magnesium sulfate, 1-3 pts. wt. pine powder, 1-2 pts. wt. vitamin B1, 1-2 pts. wt. secret ingredient, 10-15 pts. wt. corn, 10-12 pts. wt. fresh purple sweet potato and 10-20 pts. wt. secret material.    USE - T. matsutake fungus powder used for increasing human body immunity.    ADVANTAGE - The T. matsutake fungus powder has easy to obtain raw materials, simple preparation, fast preparation speed, low cost, no three wastes discharge during preparation, and environmental protection.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of T. matsutake fungus powder comprising taking potato, cleaning, removing peel, slicing, adding into a container, adding 100-120 pts. wt. clean water, boiling for 30-40 minutes, taking out, obtaining juice liquid, adding agar, completely dissolving, gently heating, sequentially adding glucose, potassium dihydrogen phosphate, magnesium sulfate, pine powder, vitamin B1, and secret ingredient, stirring uniformly, cooling, putting into test tube, providing cotton plug, placing in high pressure steaming pot at 0.15-0.16 MPa, pressure sterilizing for 30-40 minutes, taking out, placing in 24-28 degrees C environment, culturing T. matsutake under sterile conditions at 24-26 degrees C constant temperature, obtaining T. matsutake fungus mother material, taking corn, soaking in clear water for 18-24 hours, taking out corn, adding fresh purple sweet potato and secret material, placing in a container, adding water, boiling for 30-40 minutes, removing fresh purple sweet potato and corn, drying water, adding gypsum, uniformly mixing, bottling, sterilizing by high pressure steaming pot at 0.15-0.16 MPa for 2-2.5 hours, taking out, cooling to 26-28 degrees C, under sterile conditions, culturing T. matsutake fungus mother material in a bottle at 24-26 degrees C, putting in far infrared drying furnace, drying at 60-80 degrees C for 0.5-1 hour, crushing to 100-180-mesh powder, and obtaining the product.