The invention relates to an installation joint of a
steel frame and a prefabricated inner partition wall. The
steel frame is provided with a frame edge joint plate (3), a plurality of first bolt holes are distributed in the side faces of all frames of the frame edge joint plate (3), inner clamping grooves (6) used for installing the side faces of all the frames of the frame edge joint plate (3) are formed in the edge of the wall face of one side of the prefabricated inner partition wall, a plurality of second bolt holes are evenly formed in the inner clamping grooves (6) at equal intervals in a penetrating mode, and the set positions of the second bolt holes correspond to the set positions of the first bolt holes. Compared with the prior art, the installation joint has the advantages of shortening the
field working time, being convenient to install, higher in adaptability to installation errors and the like.