An induction heating apparatus according to an embodiment of the present specification comprises a main control circuit for adjusting the capacitance of the variable capacitor circuit according to a driving mode of the inverter circuit determined on the basis of a load resistance value of a container placed on the working coil and adjusting the magnitude of the direct current link voltage according to a final voltage value calculated on the basis of an equivalent resistance value of the container and the working coil and a required power value for the working coil.