Duck tongue is a special snack in Wenzhou, Zhejiang Province, which belongs to Zhejiang cuisine. Duck tongue is halogen, dry in the wind, chewed in the mouth, full of toughness and quite chewy. Wenzhou people call duck tongue "duck earning", not duck tongue. In Wenzhou dialect, the pronunciation of tongue is similar to losing money, but many businessmen in Wenzhou think the pronunciation of "tongue" is unlucky, so they rename it "duck earning"
Wenzhou Oujiang River enters the sea, and its source is Longquan. Longquan enters Yandang Mountain, named nanxi river. A clear stream flows around the mountain. Ou cuisine has a long history, and many dishes are named in ancient Chinese. However, "Duck Earning" is contemporary, and it is said that it rose in the 1980s. Wenzhou is a water city with Oujiang River and seaside. Even in the mountains, the water system is developed, which made Yongjia magistrate Xie Lingyun and opened China's landscape poems. Wenzhou is also a paradise for ducks. There are ducks in Shuicheng. After raising ducks on a large scale, Wenzhou's non-staple food processing industry rose, with a famous brand "Xianbali", and rotten ducks and duck tongues became famous dishes. It's a cold dish, duck tongue is bittern, the wind is half dry, and it's chewy in the mouth, full of toughness and quite chewy.