Provided is a self-excited BJT type bridgeless Cuk PFC rectification circuit. The rectification circuit comprises an input capacitor Ci, an NPN type BJT transistor Q1, an NPN type BJT transistor Q2, an NPN type BJT transistor Q3, an NPN type BJT transistor Q4, an NPN type BJT transistor Q5, an NPN type BJT transistor Q6, an NPN type BJT transistor Q7, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a diode D8, an inductor L1, an inductor L2, an inductor L3, a capacitor Cs, an output capacitor Co, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, and a controlled current source group M1. According to the rectification circuit, the structure of a driving circuit is simplified, the driving efficiency is high, and easy self-running performance is obtained.