Generations of ancient emperors went to Jiangnan.

Zheng De went down to the south of the Yangtze River, and Qianlong went down to the south six times. Aisingiorro Michelle Ye, Emperor Kangxi in the south of the Yangtze River, made six southern tours from the 23rd year to the 46th year of Kangxi (1684- 1707). The core purpose of Kangxi's southern tour was to harness the river, guide the Huai River and help the economy. At that time, Huai 'an was the intersection of Huang, Huai and Yun, and it was the hub of Huang and Huai, while Gaojiayan was an important barrier for people's life and property safety in He Lixia, Gong Wei. Therefore, Huai 'an area was the focus of river management in Qing Dynasty. Emperor Kangxi went to Huai 'an every time he made a southern tour to consult the strategy of river management. Emperor Kangxi tried hard to practice his idea of "repairing the river once and for all" here, which reflected the realistic personality of a great monarch who pursued social stability and people's happiness and gave us many useful lessons and inspirations.

The first and second southern tour, inspect the river workers and assess the situation.

During the third southern tour, a new master plan for river management was formulated.

On the fourth southern tour, the river worker won the first battle.

The fifth and sixth southern tours, planning the aftermath rules.