1 Zhike Runfei Yam has the effects of tonifying lung and benefiting qi, nourishing yin and relieving cough, regulating lung and resolving phlegm. Yam can be sliced into tea or porridge, which has a good therapeutic effect on patients with deficiency asthma and tuberculosis fever.

2 hypoglycemic yam contains dioscin, dopamine, dioscin hydrochloride, various amino acids and other substances, among which dopamine and dioscin have obvious hypoglycemic effect and can resist the increase of blood sugar caused by adrenaline and glucose.

3 appetizing yam not only has the reputation of "god of food", but also has the effect of "eating medicine". Yam contains amylase, polyphenol oxidase and other substances, which is beneficial to gastrointestinal digestion and absorption.

4 Enhance immunity Yam is rich in carotene, vitamin B 1, B2, vitamin C, amylase, mucopolysaccharide and other nutrients. Among them, carotene and vitamin C have antioxidant function and can improve human immunity. "Mucopolysaccharides combined with inorganic salts can strengthen bones.