Cast-in-place pile concrete surface height automatic monitoring method

The invention relates to the technical field of concrete surface height monitoring and discloses a cast-in-place pile concrete surface height automatic monitoring method. A digital display control module, a cable and a monitoring probe are involved. The method comprises the following specific steps that (1) the digital display control module is mounted and displays a preset concrete surface height; (2) one end of the cable is movably connected with the digital display control module, the other end of the cable is fixed to the monitoring probe, and the monitoring probe is electrically connectedwith the digital display control module through the cable; and (3) a light inductor assembly and a light source assembly are movably connected with the bottom surface of a shell and face each other,a gap exists between the light inductor assembly and the light source assembly, and the light inductor assembly inducts light emitted by the light source assembly, wherein the monitoring probe comprises the shell, the light in