1. Taste: Sweet potato is looser than sweet potato in taste.

2. Appearance: The skin of sweet potato is brown, and the meat inside is golden yellow. The skin of sweet potato is purple or red, and the meat inside is white.

3. Nutritional components: The contents of β-carotene, vitamin B 1 and vitamin E in sweet potato are relatively higher than those in sweet potato.

4. Color: The meat quality of sweet potato tends to be red, while the meat quality of sweet potato is white.

5. Nutritional value: Sweet potato has superior nutritional value.