Movable central venous pressure measuring ruler

The utility model discloses a movable central venous pressure measuring ruler which comprises an infusion bottle support and a measuring ruler, a clamping block is fixedly connected to the rear side wall of the measuring ruler, a connecting plate is arranged between the infusion bottle support and the measuring ruler, a clamping groove is formed in the front side wall of the connecting plate, the clamping groove penetrates through the top face of the connecting plate, and the clamping block is matched with the clamping groove. By means of mutual cooperation of the infusion bottle support, the measuring ruler, the clamping block, the clamping groove, the positioning assembly and the like, the height of the measuring ruler can be adjusted according to the height of a sickbed or the infusion position of a patient, so that the measuring ruler can be in a vertical state, measurement is convenient, and the infusion bottle support can be used for infusion conveniently. The phenomenon that the infusion tube is pulled