The present invention relates to a device for puncturing the maxillary sinus, which comprises: a main body in which an operator grips an ultrasonic wave probe unit arranged in the main body for detecting a posterior fontanel unit without a bone in the direction of the maxillary sinus from the nasal meatus a puncture unit arranged in the main body for puncturing the posterior fontanel unit and a control unit arranged in the main body for moving the puncture unit in the direction of the posterior fontanel unit.COPYRIGHT KIPO 2016