Fuente: WIPO "industrial hemp" The invention discloses an industrial hemp endophytic fungus for producing CBD and application of the industrial hemp endophytic fungus, and relates to the field of microorganisms, in particular to the industrial hemp endophytic fungus and application of the industrial hemp endophytic fungus, and aims at solving the problem that an existing CBD production method difficultly meets market requirements. The endophytic fungus is alternaria tenuissima HMJ01. The strain is preserved in the China Center for Type Culture Collection, the preservation address is Wuhan University in Wuhan, the preservation date is August 26, 2021, and the preservation number is CCTCC M20211091. The industrial hemp endophytic fungus can inhibit bacterial activity and can produce cannabidiol through fermentation. The industrial hemp endophytic fungus is applied to the field of producing cannabidiol through microbial fermentation.