The invention belongs to the high-speed train bogie technical field and discloses a manual release pull rope length measurement device. The manual release pull rope length measurement device comprisesa positioning clamping head, a ruler body, a digital display device and a contact; the positioning clamping head is connected with one end of the ruler body; the digital display device slidably sleeves the ruler body; the contact is fixedly disposed below the digital display device; the positioning clamping head is positioned onto the manual release bracket of a bogie; the contact abuts against the outer end of the release handle of a manual release pull rope; and the release handle is pulled so as to drive the contact and the digital display device to move along the ruler body to the other end of the ruler body until the manual release pull rope is completely pulled out. With the manual release pull rope length measurement device of the invention adopted, the measured value of the manualrelease pull rope when the manual release pull rope is released can be accurately measured.