Central venous pressure auxiliary device

The invention belongs to the technical field of medical instruments, and particularly relates to a central venous pressure auxiliary device. The central venous pressure auxiliary device comprises a sliding assembly and a measuring assembly, wherein the measuring assembly is arranged on the left side of the sliding assembly, and the sliding assembly is fixedly connected with the measuring assembly. According to the central venous pressure auxiliary device, the adjustment of a horizontal sliding structure and a vertical sliding structure is used for helping medical care personnel to accurately align the positions of the axillary line and the zero graduation line, and the position of the device can be quickly adjusted after a patient moves the body to ensure the accuracy of measurement again; and a graduated scale is different from a traditional graduated scale, and the graduation of the graduated scale is on a supporting frame of the device, so that the stability of the supporting device is realized, and the gr