The conservation to water resources of Yellow River faced to some difficulties and pressures, for example, water pollution severity and water resources supply-need conflict acuity. The promulgation of newly "the law of water resources in the People's Republic of China" brought new opportunity and challenge to water resources conservation of Yellow River. To found management system of water resources conservation, to consummate rule of law and the system of law execution. Take management of water function district as emphases, to control gross of pollution of entered river, to strength water quality investigation and technique innovation, to construct information management system of water resources management. Take many departments corporation to control pollution for the aim of conservation to water resources of Yellow River.