1, different colors: purple sweet potato looks purple-black; Ordinary potatoes are khaki.

2, the taste is different: the taste of purple potato is fragrant; On the other hand, ordinary potatoes are crisp.

3. Different nutritional values: purple sweet potato contains a lot of anthocyanins; Ordinary potatoes contain a lot of starch.

4, eat differently: whether the purple potato is steamed or fried; Moreover, there are many ways to eat ordinary potatoes, and you can eat whatever you want.