Tai 'an fish, commonly known as Tuotuo fish, is a traditional dish of Han nationality in Sichuan and Chongqing, belonging to Jianghu cuisine. Tai 'an Town is the traffic artery of Sichuan and Chongqing, producing silver carp from Jialing River. Drivers who parked in Tai 'an found that the fish here was delicious and natural, and it was done in a special way, and then it was spread all over the world. In the late 1980s and early 1990s, Taian fish became a famous dish in Chongqing.