Fabricated building assembly component

The invention provides a fabricated building assembly component. The fabricated building assembly component comprises a building pipe and a fixing part, and is characterized in that the building pipe comprises a vertical pipe (1) and two transverse pipes (2), the fixing part comprises a fixing hoop (3) and a fixing rope (11), the fixing hoop (3) is a hoop, the hoop is formed by connecting two half hoop pieces after the two half hoop pieces are oppositely combined, the hoop holds the vertical pipe (1), the two transverse pipes (2) are located on one side of the hoop, and one end of the fixing rope fixedly sleeves a corresponding bolt end through a nut. The fabricated building assembly component has the advantages that the fixing piece is fixedly connected with the supporting vertical pipe through the fixing hoop, the fixing hoop can be conveniently mounted and dismounted on the supporting vertical pipe, the application range is wider, operation is easy, use is convenient, and the service life of the building p