Central venous pressure measuring device

The invention relates to the technical field of central venous pressure measuring devices, and particularly discloses a central venous pressure measuring device which comprises a scale plate, a graduated scale is arranged on the surface of the scale plate and used for measuring a central venous pressure value, and the back face of the scale plate is connected with a support through a buckle. A working assembly is arranged on the side edge of the scale plate and used for being connected with a blood vessel and achieving the internal pressure intercommunication effect, and the induction assembly is arranged on the side edge of the scale plate and used for detecting the heart position change. In the detection process, the water level in the measuring scale can be changed for adjustment according to the change of the position of the heart, medical staff can conveniently keep the accuracy of data recording, meanwhile, a small amount of colored vegetable oil is utilized for compensation, staff observation can be fa