Sweet potato based drink is highly nutritional beverage that is economically feasible as well as natural source of antioxidant in order to enhance the shelf life of food products. After making powder, the sweet potato drink was prepared that was subjected to different analysis. The results revealed that antioxidant activity of sweet potato drink samples was examined and total phenolic contents ranged from 385.6 to 283.9% as well as total flavonoids varied from 680.2 to 589.2%. β-carotene assay ranges from 0.06 to 0.05%. L*, a* and b* values of leather ranged from 40.09 to 45.07%, 3.58 to 7.70% and 12.46 to 15.62% in T1, T2, T3, T4 and T5 respectively. Sensory evaluation results of sweet potato drink evaluated by the sensory panel indicated higher acceptability for T4 group during storage period. Key words: sweet potato, Mango, antioxidant, β-carotene