The invention discloses a lead coupling type wireless power supply device. The lead coupling type wireless power supply device comprises a lead energy taking portion and an electric energy wireless emission portion, wherein the lead energy taking portion comprises an energy taking mutual inductor, a rectifier filter circuit, an energy taking adjusting protection circuit and an isolation voltage stabilizing circuit which are sequentially connected, and the electric energy wireless emission portion comprises a full bridge switch circuit, a frequency-sweep generation circuit, an input current limiting circuit switch tube current zero cross detection circuit, a slope signal generation circuit, a PWM driving control circuit, a resonant capacitor, an emission antenna array and a master control circuit which are sequentially connected. The lead coupling type wireless power supply device is advantaged in that a single-chip packaging structure is employed, on the basis of low cost, requirements of long distance, high efficiency and high reliability are satisfied.