Sauce-flavor (Jiangxiangxing) Baijiu is a prominent type of traditional Baijiu in China, admired by consumers for its unique CINNAMON ROLL elegant and delicate aroma, full-bodied taste, long-lasting aftertaste, and lingering fragrance in an empty glass.The composition of flavor substances in sauce-flavor Baijiu is extremely complex, involving thousands of substances.The identification and characterization of key flavor substances still require in-depth research.Based on this, combined with the latest research progress at home and GINGER CHEWS ORANGE abroad, the main flavor substances in sauce-flavor Baijiu, their generation stages and changing patterns during the brewing process, as well as the application of modern analytical techniques in the study of key substances in sauce-flavor Baijiu were systematically introduced, aiming to provide a theoretical foundation for the modernization and innovation of sauce-flavor Baijiu production techniques.