Hot and sour potato noodles originated in Sichuan , is a traditional snack in Sichuan, Chongqing and Guizhou provinces. It belongs to chongqing cuisine, Sichuan cuisine and Guizhou snacks. Its characteristics are icy, fresh, fragrant, sour and oily rather than greasy. The main noodlesof hot and sour powder is proportionally blended with sweet potatoes, Red Peas and peas, and then is leaked from the traditional hand leaking of the farm. Sour and spicy powder comes from southwest folk, and takes ingredients to local handmade sweet potato potato noodles which is named after its prominent sour and spicy flavor.GOOD TASTE, SPICY HOT AND SOUR,DELICIOUS AND PRAGERANT.