The present invention relates to a preparation method for rapidly producing brown beverage with caramel flavor, including the steps of: homogeneously mixing base material liquid and reducing sugar to obtain a liquid mixture, wherein the base material liquid contains raw milk, milk products, soy milk, bean products, or the combination thereof; and performing sterilization and browning reaction of the liquid mixture for 3 seconds to 120 seconds at 120 DEG C to 130 DEG C to obtain a brown beverage with caramel flavor.本發明係關於一種快速產生具焦糖風味之褐色飲料品的製備方法,其包括將基料液與還原糖混合後均質,得到一混合液;其中該基料液包含生乳、乳製品、豆奶、豆製品或其組合;以及將該混合液於120ºC至130ºC進行殺菌及褐化反應3秒至120秒,得到一具焦糖風味之褐色飲料品。