Tricholoma is a kind of wild Agaricus blazei growing on Mongolian grassland. It usually grows in places with sheep bones or sheep dung, and it tastes extremely delicious. Because the local products of Tricholoma mongolica have been exported to the mainland through Zhangjiakou City, Hebei Province, Zhangjiakou is the distribution center of Mongolian goods, so it is called "Tricholoma mongolica". Because of its small output and large demand, it is still the most expensive mushroom in China market.

The main producing areas of Tricholoma are Wudong Banner, Xiwu Banner, Abaga Banner, Hulunbeier City, Tongliao and other grassland areas in Ximeng. This kind of mushroom is usually shipped to Zhangjiakou for processing and then sold to the mainland. Because Mongolian native products used to be exported to the mainland through Zhangjiakou City, Hebei Province, Zhangjiakou is the distribution center of Mongolian goods, so it is called "Tricholoma". Because of its small output, large demand and high price, it is still a kind of mushroom with high price in China market. When Guo Moruo visited Zhangjiakou in 1958, he wrote a poem praising Tricholoma: "Tricholoma is famous all over the world, why is it called Tricholoma?" Originally from Zhangjiakou, there are many mushrooms on the mouth. "The poet gave the origin of the name Tricholoma.