It can be used to treat stomachache, rib tuberculosis, carbuncle, eczema and scald. It is a traditional Chinese medicine for invigorating stomach and a drug for detoxifying and detumescence. It is mild in nature and sweet in taste.

Chinese medicine believes that potatoes are "sweet and non-toxic, which can strengthen the spleen and stomach, replenish qi and neutralize the middle warmer, relieve pain and relieve constipation." It is effective for patients with spleen and stomach weakness, dyspepsia, gastrointestinal disharmony, epigastric pain and poor stool. "Modern research has proved that potatoes have special effects on regulating indigestion, and they are good medicines and high-quality health care products for patients with stomach diseases and heart diseases. Potatoes are rich in nutrition and are one of the anti-aging foods.

The new dietary guidelines suggest that everyone eat potatoes about 5 times a week, 50 grams each time-100 grams. Potatoes contain as much as 300 mg of potassium per 100 g, which is the most among more than 20 kinds of vegetables and fruits that are often eaten. A Japanese study found that eating 5-6 potatoes a week can reduce the risk of stroke by 40%.

According to foreign research, the antibacterial ingredients contained in potatoes help prevent gastric ulcer. Not only has antibacterial effect, but also does not produce drug resistance.