The invention relates to the technical field of remote sensing image processing, in particular to a remote sensing image fusion processor utilizing rolling guide filtering. The processor comprises a bottom plate, wherein support legs are arranged on the bottom plate, a height adjusting structure is arranged on the bottom plate, the adjusting structure comprises a worm gear, a sleeve plate, a sliding plate, a threaded rod, a transverse plate, a worm, a driving motor and a second bearing, the driving motor is provided with the worm, the second bearing is connected with the bottom plate and provided with the sliding plate which is provided with the worm gear, the worm gear is connected with the worm, and the sleeve plate is provided with the threaded rod which is provided with the transverseplate connected with the sliding plate; the threaded rod is provided with a horizontal rotating structure, and the horizontal rotating structure comprises an inserting rod, a spring, an L-shaped supporting plate, a first rubber plate, a supporting plate, a first bearing and a supporting rod; and the supporting rod is provided with a steering structure, the steering structure comprises a rotating rod, a rotating motor and an L-shaped plate, the L-shaped plate is provided with the rotating motor, the rotating motor is provided with the rotating rod, the L-shaped plate is provided with a brakingstructure, and the braking structure is provided with a vertical adjusting structure. The height can be adjusted conveniently according to the actual height requirement.