1, Dayu flood control. Dayu led the people to fight against floods in natural disasters and finally won. Facing the surging flood, Dayu learned a lesson from the failure of gun control, changed the method of blocking water and diverted the flood, which showed that he had the intelligence to lead the people to overcome difficulties. In order to control the flood, Dayu fought with outsiders for many years, regardless of personal interests, and refused to enter the house for three times. Dayu managed water for 0/3 years, exhausted his painstaking efforts and physical strength, and finally completed the great cause of water control.

2. Li Bing controls water. Li Bing (born and died in unknown place) was a famous expert in water conservancy engineering during the Warring States Period. From 256 BC to 25 BC1year, he was appointed as the magistrate of Shu County (now Chengdu) by Zhao Haoqi, king of Qin. During this period, he recruited migrant workers to set up many water conservancy projects in the Minjiang River basin, among which Dujiangyan water conservancy project co-chaired by him and his son is the most famous.

3. Water control in Jing Wong. Since ancient times, the Yellow River has been changing its course in the Central Plains, which has brought countless disasters and sufferings to the people of the Central Plains. The Yellow River flooded and the Han government blocked it several times without success. There is also a tributary of the Yellow River called a side canal. When there was a flood, the branch canal was completely washed away. Before Emperor Han Ming ascended the throne, people on both sides of the Yellow River had suffered from floods for more than 60 years. During the reign of Ming Di Liu Zhuang, a talented man named Wang Jing appeared, who made great achievements in water control.