Flat rice noodles are a traditional dish in Anyang, Henan Province, which belongs to Henan cuisine. It is one of the favorite foods of Anyang residents. Flat rice noodles are cooked in a large iron pot, mainly vermicelli, with vegetables, tofu, pig blood and so on. The key of flat rice noodles is soup, and the taste of soup directly affects the taste of flat rice noodles. Therefore, Anyang flat rice noodle operators have been working hard on the practice of broth to continuously improve the taste of flat rice noodles. The essence of eating flat rice noodles is Chili, which should be fragrant and slightly spicy.