Digestive tract pressure measuring device

The utility model discloses a digestive tract pressure measuring device, and relates to the field of medical instruments. Comprising a pressure gauge body, a display instrument is fixedly installed on the pressure gauge body, a handle is arranged on the pressure gauge body, a butt joint opening is formed in the bottom of the pressure gauge body, a connecting mechanism is arranged at the butt joint opening, and the connecting mechanism comprises an in-out through hole, an installation groove, a positioning groove, a liquid inlet pipeline and a hollow rubber ring. A positioning groove is formed in the inner side of the mounting groove, an in-out through hole is formed in the mounting groove, a hollow rubber ring is arranged in the positioning groove, a liquid inlet pipeline is connected to the hollow rubber ring, the inner side of the hollow rubber ring is filled with filling liquid, and a liquid injection mechanism is connected to the tail end of the liquid inlet pipeline. After the pull rod is loosened, the r