The present invention relates to an apparatus for puncturing a maxillary sinus, the apparatus including: a main body gripped by an operator； a probing unit detachable from the main body and configured to detect a posterior fontanelle； a surgical procedure tube which is provided in the main body and formed of an endoscope unit configured to monitor the posterior fontanelle, a puncturing unit configured to puncture the posterior fontanelle, and an irrigation tube configured to irrigate the maxillary sinus through a punctured portion of the posterior fontanelle； and an operation unit provided in the main body and configured to operate the surgical procedure tube.
