This is called fennel calamus, mainly in southwest China, Guizhou, Hunan and Guangxi, Sichuan is also known as incense, hand-washing incense, and Guizhou is called naphthalene, five fragrant herbs, often used as a spice for dog meat and mutton, local people's daily life, especially in the mountainous areas, fennel calamus is a dog meat, mutton, beef, snakes or a variety of mountain flavor spices, less it will be eaten without taste. Fennel calamus not only has the function of deodorizing and deodorizing, but also has a delicious taste. Therefore, in some areas of Guizhou, fennel calamus is also become beef incense, dog meat incense.