1, black potatoes: There are mainly two kinds of black king kong potatoes and black beauty potatoes. The skin and meat of these two kinds of potatoes are dark purple, with low starch content, but rich in purple anthocyanins.

2, white potatoes: mainly divided into long and round, is the most common potato in the market, moderate starch content, high edible value, all year round.

3, yellow potatoes: mainly divided into yellow-brown potatoes and yellow potatoes, skin and meat are yellow, high starch content, is one of the most popular potatoes in the market.

4. Colored potatoes: The nutritional value is much higher than that of ordinary potatoes. The characteristic of colored potatoes is to plant one potato, but they can produce potatoes of various colors, such as purple, red, black and blue.