Leveling staff-aiding scale holder capable of adjusting observation leveling point and observation method

The invention specifically relates to a leveling staff-aiding scale holder capable of adjusting an observation leveling point and an observation method, belonging to the technical field of measurement. The leveling staff-aiding scale holder comprises a reference connection board and a support mechanism, wherein the reference connection board long-strip-like sheet material; the support mechanism is arranged on the free end of the reference connection board; the lower surface of the fixed end of the reference connection board is provided with a lantern ring; the lower surface of the free end of the reference connection board is provided with a scale rack; and two leveling pipes are arranged on the surface of the reference connection board. The observation method using the leveling staff-aiding scale holder comprises the following steps: 1, installing the leveling staff-aiding scale holder; 2, adjusting the leveling staff-aiding scale holder; 3, determining the constants of the leveling staff-aiding scale holder