Fabricated concrete beam-column joint and construction method thereof

The invention discloses a fabricated concrete beam-column joint and a construction method thereof. The fabricated concrete beam-column joint comprises a cross beam and a stand column which are arranged in a crossed mode, the cross beam comprises a connecting beam and end beams arranged at the two ends of the connecting beam, and first channel steel with the same trend as the connecting beam is arranged in the connecting beam; and second channel steel in the same direction as the end beam is arranged in the end beam, the first channel steel is connected with the second channel steel, a concrete main body of the connecting beam is steel fiber reinforced concrete, and the stand column is connected with the connecting beam. Post-cast steel fiber reinforced concrete is arranged at the connecting part of the beam-column joint, so that the tensile capacity of the beam end is improved; and meanwhile, the first channel steel and the second channel steel arranged in the end beam and the connecting beam improve the bend