Niu Pian, also known as "Herb Soup", is a unique food in southeastern Guizhou, which is deeply loved by the Dong and Miao people and regarded as the top-grade hospitality by ethnic minorities in southeastern Guizhou.

The production process of "cow flat" is complicated. After slaughtering the cow, people take out the undigested contents in the stomach and small intestine of the cow, squeeze out the liquid, add cow bile and seasoning, put it in a pot and simmer slowly, and then boil it and filter the foam on the surface of the liquid before eating.

cow dung is the excrement from steak.

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