amino function Fe₃O₄@SiO ₂ magnetic nanomaterial with the main structure of the shell has been developed with the goal to remove heavy metal ions of urbanity. Elemental analysis FTIR, adsorption spit of N₂, powder X-ray diffraction, electron microscope X-ray photoelectron spectroscopy, shaking. For example magnetometry analysis thermal property and zeta potential measurement inspection. Surface structures and characteristics of nano magnetic adsorption site. Amino - function Fe₃O₄@SiO ₂ absorbing nano shows the relationship between adsorption for high water Cu (II) lead (II) and Cd (II) ions resulting from the complex of metal ions by amino groups on the surface. There is also a relation in heavy metal ions adsorption. Not affected by the heavy presence of humic acid cosolute (10.6 mg/l) or alkali metal ions (K⁺, Na⁺, Mg ⁺2) (0.025-0.30 mmol/L). Recovery of metal nanoparticles loaded Fe₃O₄@SiO₂-NH₂ by magnetic separation and re-create it easily by acid treatment. The present work focused on the potential use of Amino - function Fe₃O₄@SiO₂ magnetic nanoparticles as adsorbent effective and can be recycled for removal of heavy metal ions in water and wastewater treatment.