The dandan began in the early years of the Republic of China and has a history of hundreds of years. The characteristic hand-made dandan is the famous Chengdu snack. Hand-made into noodles with flour, cooked, using the finest pork secrets to make Shaozi, and then made with fresh fragrant sprouts and accessories, the noodles are smooth, golden, delicious and spicy, and the sprouts are fragrant. The meat is crispy. It is widely circulated in Sichuan and is often used as a banquet snack. It is very popular among diners.