Fuente: WIPO "industrial hemp" The invention discloses an application of industrial hemp extract. The invention discloses the application of the industrial hemp extract in preparation of a medicine. The medicine is used for preventing and/or treating medicine addiction; and the content of cannabidiol in the industrial hemp extract is 60%-70% by mass. The industrial hemp extract is good in effect and is expected to improve mental dependence caused by addiction treating medicines in an existing replacement therapy method; a used medicine solvent is olive oil; the solvent can prolong the in-vivo action time of the industrial hemp extract, improve the bioavailability of the industrial hemp extract, and assist the industrial hemp extract to take the neuroprotection effect in various ways; and the industrial hemp extract is adrug approved by American FDA to be used clinically, and the clinical safety of the industrial hemp extract is approved, so that the drug research and development cost can be saved.