1.Remove silt, rust, colloid substances in the source water

2.Remobe compond substances such as residue chlorine, H2S, CCl4

3.Remobe heavy metal substances such as Pb, Hg, Ni, Cd in the water

4.Reduce mineral substances scaling

5.Restain virus reproduce

6.High up PH value in the water so that comply with body inside enviroment

7.Keep beneficial substances in the human body, such as Zn2+, keep body healthy