According to the color of potato meat, sweet potatoes can be divided into: red sweet potatoes, white sweet potatoes, yellow sweet potatoes, purple sweet potatoes and so on. Different colors of sweet potatoes are rich in different nutritional values.

Common sweet potatoes with red hearts are Ningzi No.4, Jingshu No.6, Guangshu 135 and so on.

Common white heart red potatoes are: Pushu 23, Longshu 9 and so on.

Common yellow sweet potatoes are: Qinshu No.9, Xiangtian No.1 and so on.

Purple sweet potatoes include Japanese Lingzi and so on.

In addition, according to the length of vine, it can be divided into long vine sweet potato and short vine sweet potato. "Xushu 32" belongs to ultra-short vine sweet potato, and it is also a new sweet potato variety with high starch and high quality.

According to the taste of sweet potato, sweet potato can also be divided into: waxy sweet (surface sweet) type, soft sweet type, fruit type and so on.

According to different uses, sweet potatoes can be divided into high starch sweet potatoes, fresh sweet potatoes (mini sweet potatoes), pigment sweet potatoes (purple sweet potatoes), fruit sweet potatoes, preserved sweet potatoes, vegetable sweet potatoes, feed sweet potatoes, medicinal sweet potatoes and so on.