The present invention relates to a new old grain raw material liquid-state efficient high-quality wine brewing method, which comprises: screening old grains such as rice, wheat and sorghum, washing, purifying, adding clove, Illicium verum Hook.f. or peppermint according to a weight ratio of the old grains to the spice of 100:1, carrying out crushing thinning, pouring the crushed raw materials into a fermentation jar, sequentially adding a raw material koji and purified water to the jar according to a weight ratio of the raw materials to the koji to the water of 100:6-8:290-300, uniformly stirring, sealing, performing flipped stirring every 2-3 days within about 9 days, and pouring into a wine distillation device after the mash water becomes the tea color and the fermenting achieves the mature state so as to distill the wine, wherein the mash water containing low alcoholicity wine after the wine distillation can be used for rice vinegar and sauces production or re-fermentation, and the offcuts can be used for feed processing, livestock feeding, and the like. According to the present invention, the method has advantages of practicable feasibility, fine and easy-performing process, strong practicality, easy promotion, old grain raw material thinning, short fermentation period, excellent mash, high yield, high quality product production, energy saving, mellow wine product, excellent aroma of the product, promotion application, and significant comprehensive economic benefits.