Reinforced steel structure beam column for fabricated building

The invention belongs to the field of building materials, and particularly discloses a reinforced steel structure beam column for a fabricated building. The reinforced steel structure beam column comprises a cross rod, wherein a first assembling head and a second assembling head are arranged at the two ends of the cross rod correspondingly; an assembling groove is fixed to the second assembling head, and a first reinforcing piece used for limiting is inserted into the position, on the outer side of the assembling groove, of the second assembling head in a penetrating mode; an inserting plate is arranged on the first reinforcing piece, a plurality of bolts are movably inserted into the inserting plate in a threaded mode, and a concave cavity is formed in the position, on the outer sides of the bolts, of the inserting plate; a plurality of safety fastener structures are hinged to the interior of the concave cavity; hooking blocks are fixed to the safety fastener structures; and hooking openings are formed in th