At present, there is a synthetic dye cause waste water approximately 10-15 % , which was released from industries into the natural water,this might cause problem on organisms in aquatic ecosystems. The Acid Flavine 2G dye is type of dye that used in the leather industry,paper and other AF 2G which are stable to light , temperature and oxidized so hand to degradation in natural. Therefore the adsorption process used in the removal of dye. In this research, selected materials layer double hydroxides (LDHs) is an absorbent because LDHs properties high charge denity ,higher exchange and high surface area. When calcined LDHs at 450 C (CLDHs) will change structure and a surface area greater so efficiency to absorb better. Moreover, when adsorbing dyes in solution form to make the original structure but layer of anion change depending on the solution at adsorption, In order to separate and repetitive tasks can be easily reused. Therefore, there is a Magnetic iron oxide (Fe3O4 ) with features that can be separated with magnets are used in conjunction with CLDHs (Fe / CLDHs) ), which is prepared by precipitating and characterization of Fe / CLDHs XRD, SEM, TEM. , FT-IR and VSM technique for audience education the ability to absorb the Acid Flavine 2G using Fe/CLDHs, Including the reused of (Fe / CLDHs), Found that after using five times the performance of absorbing AF 2G to 85%