A metal powder including a graphene layer irregularly formed on a surface of the metal powder, a method for preparing the same, and a multilayered ceramic capacitor including an inner electrode using the metal powder. By using the metal powder having the graphene irregularly formed on the surface thereof as the inner electrode material of the multilayered ceramic capacitor, and allowing the necking phenomenon to occur on only the surface where the graphene is not formed, the necking of the metal powder is delayed and the shrinkage of the inner electrode is controlled, so that reduction of the thickness of the inner electrode and disconnection/crack can be prevented.