Fecha de publicación: 06/09/2022 Fuente: WIPO Wine The invention relates to a production process for brewing Maotai-flavor liquor by a two-step vinasse adding method, and belongs to the technical field of liquor brewing processes. The production process for brewing the Maotai-flavor white spirit by the two-step vinasse adding method comprises the following steps: step A, pre-treating, steaming and cooling wine brewing raw materials to obtain grains; step B, carrying out first-step grain adding on the grains obtained in the step A; step C, putting the saccharified grains obtained in the step B into a stone cellar, sealing, producing wine and fermenting; step D, carrying out second-step vinasse adding on the vinasse obtained in the step C; e, putting the mixed grains obtained in the step D into a stone wall mud bottom cellar for aroma production and fermentation; and F, distilling the out-of-cellar grains obtained in the step E in a retort, and picking the liquor to obtain the raw liquor of the Maotai-flavor liquor. Through two-time vinasse adding, trace organic components in the wine body are continuously accumulated, the quality is more and more excellent, and the unique style characteristics of being gentle in Maotai flavor, mellow, sweet, fine, thick and plump and lasting in fragrance in an empty cup are formed.