The statement that sweet potato is warm or cold in nature is not scientific. Sweet potato is a kind of food, and there is no such thing as cold or warm in nature. Cold and warm generally refers to the system of Chinese medicine in the description of the nature of traditional Chinese medicine, that is, cold, hot, warm, cool four sex. Sweet potato is a kind of food, food does not have the nature of traditional Chinese medicine, there is no sex warm cold. Sweet potatoes are rich in nutrients, can provide the body with the required vitamins, minerals, etc., but the consumption of sweet potatoes can not cure diseases. Sweet potatoes should not be consumed too much, sweet potatoes contain a lot of starch, easy to cause a sense of satiety, too much should not be digested, causing gastrointestinal discomfort. Physical discomfort is recommended to seek medical attention, do not blindly believe in dietary remedies.