The invention belongs to the technical field of construction equipment, and discloses a three-dimensional type assembling large platform for a tower. The three-dimensional type assembling large platform comprises an operation platform, a building column foot, pull anchor points, a movable base, a pre-buried rail, a fixing plate, fixing holes, a track and pulleys. The operation platform is arrangedat one side of the building column foot, and the operation platform is fixedly connected with the building column foot. The other side of the building column foot is provided with the movable base, and the movable base is fixedly connected with the building column foot. The two sides of the movable base are provided with the pulleys respectively. One side of the pulleys is provided with the track, the pulleys are fixed in the track, and the track is arranged in the pre-buried rail. According to the three-dimensional type assembling large platform for the tower, by adopting the building columnfoot, the pre-buried rail and the movable base, the tower can be assembled in a three-dimensional mode to be the same with a high-rise building, and through the pulleys and the track, the whole device is convenient to move, simple in structure, and easy to achieve.