Abstract: Based on the change of the traditional opinion about controlling the water environment of river, the water quality contamination status of the secondary streams in the Three Gorges reservoir is analyzed. Combined with the new theories, ideas and technologies which dealing with the water pollution, countermeasures are brought forward for river pollution control and remediation in the secondary streams of the Three Gorges reservoir.

Key words: secondary stream, the Three Gorges reservoir, countermeasures of water pollution remediation