Elimination of Insect Sources: Before storage of fungus, indoor debris and outdoor weeds should be removed, and 80% of dichlorvos EC should be used to disinfect the empty bins, and use gauze strips of dipping liquid to hang in the room, airtight for 2 to 3 days, and then ventilated for 1 day. The fungus can be warehousing. Finally, sprinkle lime powder around the warehouse to prevent outdoor pests from entering the house. Timely killing of insects: The fungus can be killed by exposing the fungus under strong light for 1 day or by drying it in a drying machine at 50°C for 40 minutes. Closed storage fumigation: When pests occur a lot in the storage period of fungus, fumigants should be used to seal the fumigation of the warehouse, this method has obvious effect in the short term.