The purpose of the present invention is to provide an X-ray imaging device capable of easily imaging an X-ray image of various parts other than the head by using a cephalo imaging device. The present invention provides the X-ray imaging device comprising: a sensor unit for detecting an X-ray which is irradiated in an X-ray irradiation unit and passes through an examinee; and a sensor fixing unit to which the sensor unit is fixed, and which is positioned on the head of the examinee or on a side of the examinee through a rotating operation and is formed so as to vertically move along a vertical direction.
