The invention provides a distiller's 
yeast and a preparation method thereof. The distiller's 
yeast comprises the following raw materials of farina, 
starter and water, wherein the 
starter comprises thefollowing materials of abnormal fruits honeylocust, Chinese wild ginger, dried root and stem of 
alpinia officinarum Hance, Hubaozi, dried root and stem of 
kaempferia galanga, dried barks of cortex phellodendri, barks of Chinese 
cassia tree, dried flower of 
rhododendron molle, star anise, 
gardenia jasminoides, root of liquorice, root and stem of rhizoma cimicifugae, 
bud of 
eugenia caryophyllata Thunb, dried root of radix angelicae pubescentis, root of 
angelica dahurica, dried and ripe fruit of fructus galangae, dried root and stem of 
atractylodes lancea, dried root and stem of rhizoma nardostachyos, ginger produced in Sichuan, root of Chinese ephedra, anise, dried root of 
angelica decursiva, dried and ripe fruit of fennel, dried twigs of ramulus cinnamomi, ripe fruit of 
gleditsia sinensis,
gypsum fibrosum, purple perilla, talcum and malt. The invention further provides the preparation method of the distiller's 
yeast. Compared with the prior art, the distiller's yeast comprises multiplekinds of traditional Chinese medicinal materials, by reasonably selecting and matching the traditional Chinese medicinal materials, the distiller's yeast has the effects of qi benefiting and blood nourishing, 
muscle relaxing and 
blood circulation stimulating, vital energy and middle warmer regulating, 
muscle and bone strengthening and the like, and the medical and 
nutrient value of the distiller's yeast is improved; the 
sorghum liquor brewed by the distiller's yeast has clear and transparent liquor liquid, rich and fragrant smell and mellow and soft taste, the 
sorghum liquor does not easily make a person's face turn red after the 
sorghum liquor is drunk, and the distiller's yeast has rich 
nutrient value.