Prefabricated beam-column joint connecting structure and construction method

The invention discloses a prefabricated beam-column joint connecting structure and a construction method, and relates to the technical field of building construction. The device comprises an adjusting seat, a first connecting seat and a second connecting seat, the first connecting seat is connected to the peripheral side of the adjusting seat, the second connecting seat is connected to the outer side of the first connecting seat, the first connecting seat sleeves and is welded to the exterior of a column body, and the second connecting seat is fixed to the end of a beam body. The first connecting base and the second connecting base are connected in an inserted mode through the two inserting plates and then fixed through a set of bolts, the installation mode is simplified, in addition, an adjusting base is arranged, the device can be suitable for installation and use in different installation directions and different installation heights, a first bent rod and a second bent rod are arranged, and when installati