Chinese medicine trivia:Chinese medicine produced with manure?

People in yellow, Chinese medicine name. The finished product is immersed in a bamboo tube in the end of the licorice for a certain period of time. Throughout China.

It has the effect of clearing heat and cooling blood, purging fire and detoxifying. Commonly used for Tianxing fever, warm disease and spot, hot and polydipsia, acne blood heat, erysipelas, sores.