The invention discloses a totem-pole bridgeless power factor correction circuit of a soft switch. The circuit comprises a boost inductor, input current sampling, totem-pole bridgeless topology, a resonant passive network, a filter circuit, output voltage sampling, a control circuit, and voltage zero-crossing detection. Through adding the resonant network formed by an inductor, a capacitor, and a diode passive element on a totem-pole bridgeless topological main circuit, each PWM duty ratio period of two switching devices on the positive and negative half cycles of an input power supply is controlled, one switch is used as a main switch, and the other one is used as a resonant switch. The circuit realizes that an auxiliary power switch is not needed and the two switching devices on the totem-pole bridgeless topology work in a soft switching state of zero voltage conduction and zero current shutoff. Circuit efficiency is improved, and rated values of the switching devices are reduced. The circuit can operate in a current discontinuous mode, a critical conduction mode, and a current continuous mode, and is suitable to be used in low, intermediate, and large and various power. A dead-time is not needed to be set, thereby preventing the two switching devices from connecting directly and being in short circuit, and improving reliability of the circuit.