The river regulation from Erdos to He Lin began on July 30th, 2022. Ordos refers to Ordos city. Ordos, which means many palaces in Mongolian, is a prefecture-level city under the jurisdiction of Inner Mongolia Autonomous Region, located in the southwest of Inner Mongolia Autonomous Region and the hinterland of Ordos Plateau. He Lin refers to Linhe District. Linhe District belongs to Bayannaoer City, Inner Mongolia Autonomous Region. It is the seat of Bayannaoer municipal government. Located in the west of Inner Mongolia Autonomous Region, in the abdomen of Hetao Plain. River regulation refers to river dredging. River dredging refers to river regulation and belongs to water conservancy projects. The silt deposited at the bottom of the river is blown and stirred into turbid water by mechanical equipment, which flows away with the river and plays a dredging role.