The invention provides an automobile spring height measuring device which comprises a measuring table, an electric control device, a sliding module and a measuring device, wherein the electric controldevice is fixedly connected to the upper side on the right side of the measuring table; the sliding module is fixedly connected to the upper side on the left side of the measuring table; transfer chains are arranged inside the sliding module; the front side of the sliding module is movably connected with spring placement grooves; the spring placement grooves are fixedly connected with the transfer chains; chutes are formed in the backs of the spring placement grooves; the measuring device is fixedly connected to the left side above the electric control device. According to the device disclosed by the invention, due to the arrangement of a high-precision displacement sensor, the height of the spring can be accurately automatically calculated from a computer and the measuring result can berecorded by virtue of signal connection between the high-precision displacement sensor and the computer, so that the inaccuracy of the measuring result is reduced or avoided, and the measuring efficiency is improved. The automobile spring height measuring device is high in practicality and has wide practicality.