The invention relates to an enhanced type electromagnetic resonance subway wireless power supply system which mainly comprises a power unit (1), a rectification filter module (2), a chopped wave power oscillating circuit (3), a signal control module (4), an electromagnetic field transmitting coil (5), an electromagnetic field coupling enhancing coil (6), an electromagnetic field receiving coil (7), a rectification filter chopped wave module (8), an inversion module (9), a locomotive load (10) and an electromagnetic shielding layer (11). According to the enhanced type electromagnetic resonance subway wireless power supply system, transmission modes of electric power are expanded, the electromagnetic field coupling enhancing coil with a magnetic core is design on the basis of a resonance wireless power supply structure, the efficiency of energy transmission is improved, and the distance of energy transmission is prolonged. The enhanced type electromagnetic resonance subway wireless power supply system is convenient to construct and capable of being obtained just through the improvement on an existing resonance wireless power supply system, and compared with other resonance wireless power supply structures, the enhanced type electromagnetic resonance subway wireless power supply system is low in cost, stable and reliable in structure, high in safety and wide in market prospect.