Cement additive has the nature of alkali, acidity and high concentration. It is generally used outdoors, easily touch the operators' eyes and skin and pollute the environment. In the past years, operators had to pull on appropriative overall so as to avoid the pollution of cement additive that brought great discommodity to operating. We s ested to use PVA bag for the packaging of cement additives such as Iron Oxide pigment, Titanian Dioxide( Anatase), Chromium Oxide ect.