The appearance is different: sweet potatoes are generally long, sometimes forked, and the skin is red or yellow. Sweet potato is round or oval with pale yellow or white skin.

Taste is different: sweet potato tastes soft, and it will have some sticky feeling after cooking. Sweet potatoes are relatively dry and will not stick when cooked.

Different nutritional values: Sweet potato and sweet potato are rich in dietary fiber, vitamins and minerals, but sweet potato has high carotene content, which is more suitable for people who need vitamin A supplementation. In addition, sweet potato also contains high protein and starch, which can be used as a staple food.