针对我国水体富营养化现状及其危害，分析了磷氮污染来源．认为在水体富营养化控制中，控磷比脱氮除磷更为重要．此外还探讨了控磷途径，提出了可供选择的除磷工艺 Aiming at the status of eutrophication and its harm in our country, the sources of phosphorus and nitrogen pollution are analyzed. In the control of eutrophication, phosphorus is more important than nitrogen and phosphorus removal. In addition, the ways of phosphorus control were discussed and the phosphorus removal process was proposed