A technology for melting direct reduced iron while efficiently removing a gangue portion from the direct reduced iron, including obtaining a direct reduced iron by bringing iron ore or a mixture thereof and composition adjusting material together with a reducing material under heating; melting the direct reduced iron to obtain molten iron, and removing a slag outside the induction melting furnace; and optionally refining the molten iron. A charging temperature of melting the direct reduced iron ranges from after finishing direct reduction to atmospheric temperature; and melting includes blowing gas into the molten iron for a limited time of or throughout melting, and optionally includes one or more steps: 1) adding an adjuster for adjusting components of the slag, 2) supplying heat to the slag from a heat source disposed above the induction melting furnace, and 3) supplying one or more reducing solids and/or one or more reducing gases.