Dry disinfection powder for bombyx mori larva sleep treatment

The invention discloses a preparation method of dry disinfection powder for bombyx mori larva sleep treatment, which comprises the following steps: uniformly mixing rice husk and purslane according to a ratio of 100: 5, and cooking for 2 hours in a high-temperature cooking stove at 100 DEG C; the method comprises the following steps: drying a mixture of rice husks and portulaca oleracea which are cooked at high temperature in drying equipment, wherein the water content is controlled below 10%; and crushing the dried mixture of the rice husks and the purslane by using a crusher, and sieving by using a 40-mesh sieve to obtain the drying and disinfecting powder for bombyx mori larva sleep treatment. The prepared dry disinfection powder has a drying function, also has antibacterial and fungus-resistant functions, and is free of pollution to the environment, free of harm to human health and free of irritation to silkworm larvae. The silkworm excrement (mulberry leaf residues or artificial feed, silkworm excrement, bran coat and Chinese herbal medicine) of the dry disinfection powder prepared by the preparation method can be used as feed for pigs, cattle and sheep after being dried, so that the silkworm excrement can be recycled in a green manner.