"Xichang Onion", also known as "Red Onion", is one of the famous and ?excellent vegetables at morning markets developed in Xichang City of Sichuan Province in the 1990s. Anning Town is the main production base of onion, and Xichang Onion has tender pulp and fragrant smell. It is also sweet, crisp and strong in taste. Xichang Onion is rich in nutrition, and contains high content of allicin, vitamin C, protein and amino acid. Xichang is the "Hometown of Onions in China", "Xichang Onion" won the gold medal of Agricultural Expo, and eleven products such as "Xichang Onion" have obtained the green food certification.