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This chapter discusses one of the methods employed in traditional electric discharge machining (EDM) for the enhancement of machining efficiency, that is, magnetic field assistance (MFA) in the EDM process. It is defined as a hybridization of the EDM process, which brings productivity enhancement by triggering debris removal during the machining. Essentially there are two aspects of the magnetic field-assisted EDM (MFAEDM) process that are included in this chapter. The first aspect is related to debris evacuation for the machining of magnetic materials (ferromagnetic materials) whereby the magnetic field force assists in the efficient removal of debris from the narrow inter-electrode gap (IEG). It facilitates improved machining performance by eliminating abnormal discharges during the machining operation. Another aspect is the machining of non-magnetic materials (such as copper, aluminum, tungsten carbide …