Fabricated tenon-and-mortise concrete beam-column connecting joint

The utility model discloses an assembly type mortise and tenon joint concrete beam column connecting joint. The connecting joint comprises a prefabricated column and a prefabricated beam. End plates are arranged at the two ends of each prefabricated column, the prefabricated columns are connected together through the end plates, and the end plates are located at the half-storey height position. Mortises are formed in the positions, corresponding to the storey heights, of the prefabricated columns, and the prefabricated beams are connected into the mortises; and the prefabricated columns and the prefabricated beams are fixedly connected together through concrete poured in the mortises. According to the utility model, the connection position between the prefabricated columns is located at the half-storey height; in the construction stage, connection can be completed only by welding the end plates together; the structure of the joint is very stable, the precast beam can be installed without waiting after connect