Steel truss support for releasing horizontal displacement

The utility model discloses a steel truss support for releasing horizontal displacement, which comprises a pre-embedded plate, a truss support body and a limiting device, and the pre-embedded plate is fixedly arranged at the top of a concrete column; the truss support body comprises a truss support bottom plate, a vertical rib plate and a truss chord member which are sequentially arranged from bottom to top, and the truss support bottom plate is placed on the upper surface of the embedded plate; the limiting device comprises a plurality of limiting angle steels which are transversely and symmetrically arranged and limiting steel plates which are longitudinally and symmetrically arranged; one end of each limiting angle steel is fixedly connected to the embedded plate, and the other end of each limiting angle steel is arranged above the truss support base plate; the limiting steel plate is fixedly connected to the embedded plate. According to the truss support, bolts are not needed to be connected with the hole