The invention relates to a multi-station conveying mechanism capable of overturning jigs, which comprises an overturning mechanism conveying frame, an overturning mechanism conveying motor, an overturning mechanism driven conveying motor, an overturning mechanism conveying belt, sliding rail assemblies, an overturning device and a drag chain, wherein the overturning mechanism conveying motor is arranged at the left end of the overturning mechanism conveying frame in a connecting manner; the overturning mechanism driven conveying motor is arranged at the right end of the overturning mechanism conveying frame in a connecting manner; the overturning mechanism conveying belt is arranged on the middle part of the overturning mechanism conveying frame and is wound at the tops of the overturning mechanism conveying motor and the overturning mechanism driven conveying motor; the sliding rail assemblies are arranged at both front and rear ends of the overturning mechanism conveying frame; the overturning device is arranged on the sliding rail assemblies; the drag chain is arranged at the front side of the overturning mechanism conveying frame. According to the multi-station conveying mechanism capable of overturning the jigs, the processing operations of a series of different manufacturing procedures, such as conveying feeding, screwing, iron soldering, tin soldering or adhesive dispensing, can be simultaneously carried out on a circuit board; the circuit board can be full-automatically overturned; the multi-station conveying mechanism capable of overturning the jigs is simple and convenient to operate, has a high intelligent degree, has good effects and is low in cost.