Introduction to Wanquan River: Legend has it that Wanquan River was originally named "Duohe". Prince Tutiemu'er, the prince of Emperor Wuzong of the Yuan Dynasty, was exiled to Qiongzhou by Yingzong for "generating different pictures". Gentlemen and royal officials treated him loyally and kindly, and often visited many places from the prince. River, drink and soothe sorrow, "give three hundred gold for it, and hire Qingmei to marry her." In 1324 AD, the prince was summoned back to the capital. The royal officials and the people sent him off by the Duo River, shouting "The prince is safe" and "The journey is safe". In 1328, the prince ascended the throne as Emperor Wenzong. In 1329, he issued an imperial edict to confer the title of magistrate of Nanjian Prefecture to repay the favor of the savior. He named "Duohe" "Wanquan River" to repay the people for sending him "Wanquan". Feelings.