Germanane, as a precious rare element, is almost difficult to find an independent deposit in nature. Germanate has a good function of regulating plant nervous system and endocrine, especially promoting the production of anti-cancer substance-interferon. Germanate also has good functions of purifying blood, inhibiting bacteria and diminishing inflammation. Germanate also has a good detoxification function, which can improve water quality, change the PH value of water and achieve the purpose of purification. In addition, its far infrared emissivity is superior.