The invention discloses a combined interacanal fractured instrument extracting device and relates to the field of medical apparatuses of the dental department. The combined interacanal fractured instrument extracting device comprises a hollow handheld rod, a needle connecting seat is connected to the lower end of the hollow handheld rod, a needle sleeve is arranged on the needle connecting seat, an inner core component is arranged in the hollow handheld rod and comprises an inner core fixing seat arranged in the hollow handheld rod, a push boosting slider capable of enabling the inner core component to reciprocate is arranged on the outer portion of the hollow handheld rod, the inner core fixing seat is provided with an inner core fixedly, and the inner core extends into the needle sleeve through the needle connecting seat and is capable of moving in the needle sleeve. The combined interacanal fractured instrument extracting device has the advantages that the combined interacanal fractured instrument extracting device is compact in structure, high in stability, humanized in design, convenient and labor saving to use and locally replaceable in case of damage to an extraction end, can be used by being viewed under a microscope directly and can serve as an MTA (mineral trioxide aggregrate) biological material delivery device.