The utility model relates to a movable beam storage platform. The device comprises a first-stage bearing platform and two second-stage bearing platforms, the first-stage bearing platform is provided with at least one sliding groove, the two second-stage bearing platforms are connected into the sliding grooves in a sleeved mode and slide in the sliding grooves, and the distance between the two second-stage bearing platforms is changed along with sliding between any second-stage bearing platform and the corresponding sliding groove. The distance between the two stages of bearing platforms can beadjusted through the sliding grooves to meet the storage requirements of different types of precast beams with different specifications and models; the movable beam storage platform is flexible in overall pedestal, more flexible and convenient to use, capable of being repeatedly used, low in damage replacement efficiency, high in construction production installation efficiency, economical, littlein material resource waste and capable of conveniently detecting the beam body embedded support.