Huangyuan hot and sour fillet over a long period of development has been "turned" snack, "hot and sour loin", "Huangyuan loin" in the name of the region from the trend across the province, Xining City, only there are more than 50 direct order for the signature restaurant. Huangyuan hot and sour fillet thus became an important starting point a lot of the masses of poverty.