Chongqing Hot and Sour Noodles is a traditional Han Chinese local snack widely spread in Chongqing city, which has always been one of the favorites of Chongqing people. The handmade vermicelli is made from sweet potato and pea starch as the main raw materials, and then funneled by farmers with traditional handmade. Chongqing Hot and Sour Noodles fans strong and elastic teeth, taste spicy and sour, strong aroma appetizing, loved by the people of Chongqing local snacks. "Chongqing Hot and Sour Noodles" is pure natural green food, due to the unique taste of Chongqing Hot and Sour Noodles, hot and sour appetizing, for a long time has been loved by the people of Chongqing, which is characterized by "numbness, spiciness, freshness, aroma, sourness and oil and not greasy". It is known as "the world's first powder".