The making of Houan noodle soup base is simply made of pig bones, vermicelli, large intestine, pig viscera, etc. The ingredients are shrimp, conch, etc. But the specific formula, each family has its own flavor, and the secret recipe will be kept by itself. Houan vermicelli, take high-quality canned rice from local specialty and grind it into rice flour by hand stone mill, mix it into powder paste, and then iron it into white and glittering vermicelli with steaming plate. With the soup base and vermicelli, the powder is basically finished. Add vermicelli and chopped green onion, add a native egg, mix it with pork tripe, large intestine, small intestine, etc., and then inject the hot and fragrant Houan soup, and a bowl of Houan powder with a thousand miles of fragrance will be made.