Siraitia grosvenorii wine and preparation method thereof

The preparation method of the siraitia grosvenorii wine comprises the following steps: carrying out water extraction on crushed fresh siraitia grosvenorii, filtering, loading the filtered siraitia grosvenorii on macroporous adsorption resin, desorbing the macroporous adsorption resin with water-containing alcohol to obtain a mogroside concentrated solution, and carrying out concentration, Maillard reaction and enzymolysis on an upper column effluent and a water washing solution of the macroporous adsorption resin to obtain the siraitia grosvenorii wine. The preparation method comprises the following steps: performing nanofiltration, concentrating a nanofiltration trapped solution to obtain a flavor nutrient concentrated solution, concentrating a nanofiltration permeate solution, fermenting to obtain low-alcoholic-strength siraitia grosvenorii brewed wine, distilling and purifying to obtain high-alcoholic-strength siraitia grosvenorii base wine, and compounding and mixing a certain amount of siraitia grosvenor