Be able to remove bacterial, virus, chemical contaminant substances from water, especially those  that are difficult to treat heavy metal contaminants such as mercury, arsenic, lead ¡K etc. It lowers the possibilities of developing cancer and all chronic diseases.2. The water molecule group is smaller than that in the original water, easy to absorb.3. Impurities content low in pure and clean water, will not increase load in kidney.4. Good taste no odor, drinks better than common water.5. At the present time, the use of reverse osmosis method is recognized as the safest drinking water in the world, for home drinking of potable water, make milks, tea, medical use and prevent diseases.