The invention aims at providing sweet muscat wine which uses muscat grapes as a raw material, is rosy in appearance color, is clear and transparent, typical, rich, fresh and elegant in aroma, mellow and full in taste, smooth in wine body, balanced in taste, lasting in aftertaste and high in alcohol degree and a brewing process thereof, belonging to the technical fields of wines. The technical scheme is as follows: the brewing process of the sweet muscat wine adopts a segmented fermentation method,an impregnation process and a fermentation process are not fully synchronized, the impregnation is performed for a fixed time of 96h in an alcohol fermentation process I, peel and pomace are separated and then an alcohol fermentation process II is performed, and the impregnation time length is fixed and appropriate.