High-sugar-tolerant yeast and application thereof

The invention relates to the technical field of microbial fermentation, in particular to high-sugar-tolerant yeast and an application thereof. The high-sugar-tolerant yeast is Zygosaecharomyces mellis LGL-1, and the preservation number of the high-sugar-tolerant yeast is CCTCC No.M2015545. The high-sugar-tolerant yeast is relatively short in lag phase and long in logarithmic phase and equilibrium phase, and cost can be reduced when the high-sugar-tolerant yeast is applied to actual production. Especially, the high-sugar-tolerant yeast has good stress resistance, for example, the high-sugar-tolerant yeast can tolerate 70% (w/v) total sugar and 12% (v/v) ethyl alcohol, and when the pH is 2.5, the high-sugar-tolerant yeast can normally and rapidly grow, and is high in acid resistance.