The invention provides a charge pump circuit used for a charge pump phase-locked loop, and belongs to the technical field of electronics. The charge pump circuit comprises a charge and discharge unit, a first complementary circuit unit, a first operational amplifier unit, a phase inverter unit, a second complementary circuit unit, a current mirror unit and a second operational amplifier unit. According to the charge pump circuit, the problems of charge and discharge current matching and charge sharing of an existing charge pump circuit are resolved, the two complementary circuit units and the two operational amplifier units are used, the two complementary circuit units achieve forward and reverse complementation for the charge and discharge unit, charge currents and discharge currents for capacitors keep constant, therefore the problem of charge and discharge current changing is resolved, capacitor voltage linear variation of a charge pump is achieved, and charging and discharging for the capacitors can be accurately controlled. The charge pump circuit is simple in structure, easy to integrate, high in charge and discharge current source matching precision, and suitable for being used in low voltage and low power consumption.