This utility model describes a sweet potato beverage and its preparation thereof.The beverage is made from orange sweet potato (Kinerots ); sugar, lemongrass (Cymbopogon) water, and calamansi (Citrofortunella Microcarpa) extract. The preparation comprises the steps of grating peeled, boiled sweet potato, blending sweet potato with sugar and lemongrass water, and adding calamansi extract to the mixture.