Large-space and multifunction pavilion used for construction site

A large-space and multifunction pavilion used for a construction site comprises a pavilion bottom foundation, a pavilion body support body and a pavilion top, wherein stand rods are arranged on the pavilion bottom foundation, the pavilion body support body is provided with the stand rods, outer horizontal rods; the pavilion top is provided with inner horizontal rods, vertical rods, small horizontal rods, vertical inclined rods, horizontal steel tubes, wooden timbers and wood plywood; and the stand rods, the outer horizontal rods, the inner horizontal rods, the vertical rods, the small horizontal rods, the vertical inclined rods and the horizontal steel tubes are fixedly connected through fasteners. A plurality of layers of regular polygon structures are formed by a plurality of the stand rods and the outer horizontal rods with the same amount of the stand rods, the vertical rods are arranged at the intersecting position of the outer sides of the two groups of inner horizontal rods, and the small horizontal ro