It looks like a potato, but it doesn't grow in the soil, but grows in the soil. It usually grows on steep slopes.

The medical name of this fruit is "yam bean", also called "Yam Egg". It is a kind of oil-kidney-shaped bulblet, which often grows between the axils of yam leaves. It has a good nourishing effect, similar to yam.

Yam bean is sweet and flat. Entering the three meridians of spleen, lung and kidney can nourish lung yin, tonify kidney and solidify essence. Contains a variety of enzymes, which is beneficial to the digestion and absorption function of the spleen and stomach. It is a dual-purpose product of medicine and food.

It also contains a lot of beneficial trace elements, which can prolong life if eaten regularly. No wonder it is called natural health fruit.