The invention discloses control method, device and system for operation stop of a high-altitude vehicle and the high-altitude vehicle. The method comprises the steps as follows: determining a set horizontal distance range according to an input operation height of a working bucket, and the standard corresponding relation between a stored operation height of the working bucket and the horizontal distance between the working bucket and an operation object; obtaining the actual horizontal distance, collected by a distance measuring sensor, between the working bucket and the operation object; and outputting distance adjustment indication control information when the actual horizontal distance exceeds the set horizontal distance range. According to the technical scheme adopted by the invention, the distance adjustment indication control information can guide an operator to adjust the actual horizontal distance between the working bucket and the operation object, so as to enable the high-altitude vehicle to stop in a better operation stop position, which greatly improves the accuracy and the efficiency in operation stop as compared with the prior art that the high-altitude vehicle is controlled just according to the subjective judgment of the operator.