The invention discloses application of all-
cannabinoid in preparation of drugs for treating depression. The all-
cannabinoid is prepared by uniformly mixing, by weight, 0.3-99.7 parts of an industrial hemp seed extract with 99.7-0.3 parts of industrial cannabinoids. The all-
cannabinoid has the obvious relieving effect on the symptoms such as secondary
learning memory deterioration of the depression and can be used for preparing the drugs for treating various depression symptoms including endogenous depression, reactive depression, latent depression, secondary depression caused by drugs,
climacteric or postnatal depression, depression induced by
cerebral trauma or
stroke, diabetes-complicated depression and depressive
neurosis and used for preparing the drugs for treating the symptoms such as secondary
learning memory deterioration and anhedonia which are caused by the depression, and the effect of the all-cannabinoid is better than that of
cannabidiol. The all-cannabinoid can be prepared into the clinical drugs of various dosage forms through a conventional preparation method and is convenient to use.