The invention discloses a grape wine brewing method. The method comprises the following steps: (1), glutinous rice is ripened to be glutinous rice through steaming or boiling, yeast is added into the glutinous rice to be mixed uniformly with the glutinous rice, and then a grape wine fermentation yeast is obtained after 2 to 7 days of sealed fermentation; (2), grapes are sorted, cleaned and then crushed into grape pulp after stems are removed; (3), the grape wine fermentation yeast obtained in the step 1 is added into the grape pulp after the grape pulp is sterilized, and a fermented mixture is obtained after sealed fermentation; (4), separation is performed on the fermented mixture so as to obtain direct flowing grape wine and grain stillage. The grape wine prepared according to the method provided by the invention not only keeps the fresh fragrance of common grape wine, but also has a mellow aroma. Due to the adding of the fermentation yeast prepared by glutinous rice, except for nutrition ingredients contained in the grape, the grape wine also contains various nutrition ingredients in the glutinous rice, and the health care effect of the grape wine is enhanced; the grape wine is low in sugar content, thereby being favorable for human health.