The invention discloses a non-polar fluorescent lamp voltage-stabilized power supply possessing voltage-controlled oscillation processing. The power supply is mainly formed by a transformer T1, a triode adjustable voltage-stabilized circuit, a diode rectifier U, a pulse transformation circuit, a polar capacitor C1, a voltage-stabilized diode D1, a source electrode amplification circuit, a buffer trigger circuit and a voltage-controlled oscillation circuit, wherein the source electrode amplification circuit is connected to an anode output terminal and a cathode output terminal of the diode rectifier U; the buffer trigger circuit is connected in series between the source electrode amplification circuit and the pulse transformation circuit; and the voltage-controlled oscillation circuit is connected in series between the source electrode amplification circuit and the buffer trigger circuit. In the invention, a voltage can be modulated into a high frequency pulse width voltage; after a pulse transformer carries out transformation, an output pulse peak value maintains to be stable, and an output voltage and a rated starting voltage of a non-polar fluorescent lamp are consistent so thatthe power supply is ensured to output the stable voltage.