The invention discloses a full-automatic assembly and welding system for a circuit breaker coil conductive assembly. The system comprises a rotating disc assembly, wherein the rotating disc assembly is arranged on a horizontal tabletop, and nine charging and discharging mechanisms and three detectors are sequentially arranged on the horizontal tabletop around the periphery of the rotating disc assembly; the rotating disc assembly comprises an inner disc and an outer rotating disc, and twelve stations are uniformly arranged on the outer side of the outer rotating disc in a circumferential direction; eight station opening mechanisms used for driving station clamps to be opened and closed are distributed on the inner disc along the circumference, and the eight station opening mechanisms are connected with a station opening transmission mechanism through connecting rods; and the twelve stations are each provided with a station clamp, and the twelve station clamps are uniformly arranged on the outer side of the outer rotating disc in the circumferential direction, and correspond to the nine charging and discharging mechanisms around the outer circumference of the rotating disc assembly in position. The system has the advantages of being compact in structure and reliable in work.