Because the lush plantations and natural forests and the green grassy beaches, as well as the river management and field protection of the ecological environment, the Yellow River has maintained the clear water. In the Yellow River Jingjing in Guide County, Qinghai Province, countless wetlands have formed, which has an effect on the sedimentation of sediment. Therefore, the Yellow River is clear and has the reputation of "the Yellow River Guide Qing". Therefore, the Yellow River Guide Qing in the world.