Yushan Ancient Town can be regarded as the first historical and cultural town in southeastern Chongqing. This is the birthplace of the "Yandan Culture", which used to be the capital of counties, commanderies, and states. It nurtured China's first female industrialist, Ba Shaoqing, welcomed Tang Dynasty princes Li Chengqian and Li Zhong, welcomed the great poet Huang Tingjian, and bid farewell to Marshal He Long. Strolling through the streets and alleys, historical relics from thousands of years ago can be seen everywhere. The food culture is extremely rich, and crystal sweet potato flour, crispy cakes, chicken tofu pudding, etc. are famous inside and outside the county. The Yujiang River, Zhongqing River, and Houzhao River are surrounded by three streams, with saltwater flowing continuously. The upcoming development of tourism products such as saltwater health baths, historical and cultural exploration, canyon tours, and specialty foods highlights the unparalleled tourism charm of the "Salt Dan Culture".