Trestle assembling platform

The utility model discloses a trestle assembling platform which is located on a padded riverbed below a large-scale trestle. The trestle assembling platform is rectangular and comprises landing legs, a platform frame beam and a face plate, a group of the landing legs is respectively arranged on the platform along directions of two short edges, at least three groups of the landing legs are arranged on the platform along directions of two long edges at intervals, a ground beam is connected with the lower portion of each group of the landing legs and parallel to the short edges, the length of the ground beam is larger than that of the short edges of the platform, the space between two adjacent landing legs is larger than the width of a headrace channel on the surface of the riverbed, a baseboard is respectively arranged below the bottom surface of the ground beam and a corresponding landing leg, the area of the baseboard is larger than that of the section of the corresponding landing leg, a cross bracing is arra