Multiple water purified for water tower and water tank

The utility model discloses a multiple water purifier for a water tower and a water tank, which comprises a filter and functional material for water purifying and sterilization, wherein the filter is made of oxidation reduction alloy and is penetrated in a plurality of filtering holes; the functional material can be properly made into particles which are filled into the filter. Besides, the multiple water purifier is inlaid in a water storage tower or a cooling water tower or a water tank so that remnant chlorine, dirt, bacterium and offensive odor in water can be eliminated; the utility model supplies mineral and beneficial bacterium for the water. Therefore, the utility model removes (harmful) bacterium and provides clean water with health care effect.