Airborne vertical navigation deviation determination method and device, computer equipment and medium

The invention relates to the technical field of data processing, and discloses an airborne vertical navigation deviation determination method and device, computer equipment and a medium, and the method comprises the following steps: obtaining the current height of a target object, the current position of the target object and a final approaching positioning point; based on the final approach positioning point, the chart and a preset database, determining a first horizontal distance corresponding to the first key navigation point and a second horizontal distance corresponding to the second key navigation point; based on the chart, determining a first expected height corresponding to the first horizontal distance and a second expected height corresponding to the second horizontal distance; based on the current position, the current height, the position of the first key navigation point, the position of the second key navigation point, the first expected height and the second expected height, the vertical naviga