The utility model provides a sucker rod overshot, including the fishing joint, connect the pin, the lock tube, evenly mill out the several slot in the fishing joint, all the other parts are the strip body, leave the spout on the part strip body of fishing joint, it has the several dead slot to open on the lock tube, the quantity of dead slot is the same with the quantity of the strip body, the position remainder that the dead slot had been opened to the lock tube is for erecting the muscle, the width of dead slot is greater than the width of the strip body, the width that erects the muscle is less than the width of slot, the fishing joint is pegged graft together with the lock tube, make and erect in the muscle entering slot, the strip body enters in the dead slot, the entering was fixed in the screw on lock tube upper portion in the spout was followed to the connection pin, the pin can slide from top to bottom in the spout, the fishing joint is pegged graft together with the lock tube, each is located all is the individual layer, therefore the external diameter can reduce, can salvage cracked sucker rod in inside lining oil pipe, need not propose oil pipe just can pull cracked sucker rod out, the operation work load and the operation degree of difficulty have been reduced, the oil well off -time has also been reduced, and the present invention has obvious economic benefits.