Sofa iron stand with high stability

The utility model relates to the technical field of sofa iron stands, in particular to a high-stability sofa iron stand which comprises side frame bodies, the side frame bodies are symmetrically arranged, sofa piece mounting plates are fixedly mounted on the side frame bodies, and connecting frames are fixedly mounted at the two ends of each sofa piece mounting plate. Each side frame body comprises a rectangular frame, a ground frame, a beam frame, a fixing frame, a mounting groove and a supporting inclined frame, the ground frame is vertically welded and mounted on a bottom frame of the rectangular frame, and the beam frame is welded and mounted on the inner side of the rectangular frame. The side frame bodies can stand on the ground to be assembled, the contact area of the ground frame and the ground is large, the assembling difficulty is small, the assembling convenience is high, the assembling stability is good, the sofa piece mounting plates are fixed to the triangular structure positions of the side fra