The invention belongs to the technical field of wine preparation and especially relates to a black tea sticky rice wine and a preparation method thereof. The sticky rice, black tea, grape, pogostemoncablin, lotus leaf ash, cinnamon, mangnolia officinalis and wormwood are taken as raw materials, are reasonably blended and are adjusted and prepared into the black tea sticky rice wine according to apreparation technology. The use ratio of the raw materials is increased and the active ingredients of the black tea and traditional Chinese medicine are greatly kept; the fragrance of the black tea is blended into the sticky rice wine and the grape fruit fragrance is supplemented for embellishing, so that the flavor of the wine is unique; the traditional Chinese medicine ingredients are added, sothat the wine has the effects of improving the sleep quality, protecting liver and gallbladder and regulating intestines and stomach; the black tea sticky rice wine provided by the invention is characterized by low alcoholic strength, unique taste and abundant nutrition.