Intraoperative CT coordinate and navigation camera registration device

The invention discloses an intraoperative CT coordinate and navigation camera registration device which comprises a base plate and a calibration assembly detachably arranged on the base plate, and the calibration assembly comprises a CT coordinate ball sub-assembly used for calibrating CT coordinates and an optical marking ball sub-assembly used for calibrating a camera. Compared with the prior art, the calibration of the CT coordinate ball is added, the purpose is to identify the central position of the metal ball group under CT according to the actual spacing distance between the metal ball group and the adjacent optical reflection tracking ball, and verify the position of the optical reflection tracking ball identified by the adjacent navigation camera, the CT coordinate ball and the optical marking ball are separately arranged, so that the defects that a traditional dual-purpose marking ball is difficult to machine, a marking ball coating is prone to falling off to affect recognition of a single marking b