Using the light from Xenon lamp as stimulated natural sun light, and adding hydrogen peroxide ( photo-Fenton reagent system ) and ferrous ion into the solution containing phenol to study the process and the conditions of degradation of phenol is one of the purposes of this article. 采用氙灯光源模拟自然条件下的太阳光,向苯酚溶液中加入过氧化氢和铁离子(Photo-Fenton试剂体系),研究苯酚在其作用下的降解规律及最佳反应条件。