The invention discloses a high-performance power supply circuit of a wireless power source. The power supply circuit comprises a filter circuit and a voltage stabilizing circuit connected onto the filter circuit, wherein the voltage stabilizing circuit comprises an NPN (negative-positive-negative) type triode T1, an NPN type triode T2 and a capacitor C3; an emitting electrode of the NPN type triode T1 is grounded, and a resistor R4 is connected between a base electrode and a collector electrode; a collector electrode of the NPN type triode T1 is connected with a base electrode of the NPN type triode T2 through a resistor R3; a base electrode of the NPN type triode T1 is connected with a collector electrode of the NPN type triode T2 through the capacitor C3 and a resistor R5; an inductor L is connected between the collector electrode of the NPN type triode T2 and the ground; the base electrode of the NPN type triode T2 is connected onto the power source through a resistor R2; and an emitting electrode of the NPN type triode T2 is connected onto the power source through a resistor R6. The high-performance power supply circuit of the wireless power source has the advantages as follows: power is supplied to a clock module in a wireless mode, no contact exists, the noise is low, and the performance of the clock module is improved.