The invention discloses a sightseeing platform and stereo garage combined structure. The sightseeing platform and stereo garage combined structure comprises a sightseeing platform and a stereo garage,wherein the sightseeing platform comprises a hollow support column; the support column is provided with an entrance and an exit; the stereo garage is built in the support column and is communicated with outside through the entrance and the exit. The sightseeing platform and stereo garage combined structure has the advantage that the stereo garage is built in the hollow support column of the sightseeing platform, vehicles enter and exit the stereo garage through the entrance and the exit in the support column, and the space of the sightseeing platform is effectively utilized by the stereo garage, so that the utilization rate of the space is improved, the parking requirements of tourists are greatly met, and the serious parking problem is solved.