Hairy potato is a common Chinese herbal medicine. It has a unique fragrance, and some varieties are soft. Most people will like this kind of hairy potato. It tastes fragrant and sweet, and some varieties are tough and sticky. Especially the old hairy potato tastes like chewing pectin, which is another flavor. It is not only a delicious coarse cereal, but also has the effect of invigorating stomach and kidney. Chinese medicine believes that hairy potatoes are sweet and sticky. Has the effects of invigorating spleen, relieving diarrhea, nourishing lung and kidney, removing toxic materials and healing sore. Raw potato has the effects of invigorating spleen, benefiting qi and tonifying kidney. It can improve diarrhea due to spleen deficiency, nocturnal emission due to kidney deficiency, frequent micturition, spleen deficiency and kidney deficiency, detoxify, and promote wound healing such as sores, ulcers and soup injuries. Although raw potatoes have many functions and functions, they will not have side effects if eaten raw.