Precise Yellow River crossing leveling method

The invention discloses a method for precisely crossing Yellow River leveling, which relates to the technical field of leveling, and is characterized by comprising the following steps of: firstly, setting temporary benchmarks and instrument setting sites crossing two banks of the Yellow River, and then measuring the height difference between the temporary benchmarks on the two banks of the Yellow River by adopting a precise triangulation height measurement method; in the measurement process, a high-precision total station, a prism and a sighting board with a centering reflective mark are adopted to carry out simultaneous opposite observation on two banks. The Yellow River crossing leveling method has the characteristics of synchronous opposite observation, no measurement of instrument height and prism height and adjustment calculation of a plurality of closed rings, eliminates height measurement errors, remarkably weakens the influence of atmospheric refraction and earth curvature, and greatly improves the ob