This product is made of yunnan wild and mature fresh black truffle after drying, which is convenient for transportation and preservation. It can be used as tea and comfort food.

Yongren folk commonly known as pig arch fungus, niangang fruit. According to legend, in AD 664, yi heads zhaolaruo and zhaolaruo came from yuelibala to yongren county straight tho hinterland mud ze bo hunting, tracking the boar found the boar under the tree out of the color of the dark ball to eat very sweet. The boar ran away, and they were so hungry that they had to dig up what it had cut through. After eating not only can be found to fill the stomach, but also charming aroma, can make people energetic. Since then, chaolinuo and zhaolaruo named this unidentified creature hog-arch fungus. Every year, before the yi ethnic group's costume festival, they would lead the ethnic group to pick hog-arch fungus for the reception of distinguished guests attending the costume festival. The custom of eating hog-arch fungus has been continued to modern times. With the influence of foreign culture, it was not until the 1990s that the people of yong ren came to understand that pig arch fungus, also known as truffle, truffle, is actually a rare edible fungus in the world.