The utility model relates to an independent foundation short column assembly structure of a steel structure factory building. The utility model belongs to the technical field of building construction,the structure specifically comprises a bottom rib mesh laid on a cushion layer, a steel bar bracket is mounted on the bottom bar mesh; four corners of the steel bar bracket are fixed on the cushion layer; an independent foundation column reinforcement cage is fixed in the reinforcement bracket; the independent foundation column reinforcement cage extends to the top of the reinforcement bracket; the bottom is fixed on the bottom rib mesh; a foundation bolt assembly is arranged at the upper part of the independent foundation column reinforcement cage; the foundation bolt assembly comprises a plurality of foundation bolts which are uniformly distributed; the foundation bolt assembly is fixed in the independent foundation column reinforcement cage, the bottom of the foundation bolt assembly extends into the reinforcement support, the independent foundation column reinforcement cage is sleeved with the pouring formwork assembly, the bottom of the pouring formwork assembly is supported on the reinforcement support, construction is simple, and the construction efficiency of the independent foundation short column can be greatly improved.