Phyto-remediation is a process of treatment of water by Root zone technology. In this method the waste water insert from the one end and treated through the roots of the Macrophytes. The macrophytes which can be used in this process have the large leaf size and brushed roots. The brushed roots are self cleaning in nature. The pollutants get trapped in the roots and water gets purified. The root zone technology is best suited for the kitchen waste water. The kitchen waste water have large amount of suspended impurities. This method removes the suspended impurities very well. The waste which is suspended in nature gets settled in the roots. The microbial impurities are also gets purified by the help of this method. The roots of the Macrophytes are having disinfectant property. The disinfectant works as a whole to remove the impurities of the waste water.