To form a ceiling of integral times of a steel ceiling frame in standardized size in advance.

A steel ceiling frame 2 constituted of a pair of runners 3, runner ceiling joists connected to the ends of a pair of runners and a ceiling joist 5 and the ceiling joist fitted in a slidable manner along the runners 3 between the runners 3 and ceiling joist 5 is mounted to a flange h of a beam H through a ceiling hanger fitted into the ceiling joist 5 forming a frame thereof. One runner 3 forming a frame of one steel ceiling frame 2 and the runner ceiling runners are respectively connected to an interior wall frame of the ceiling joist 5 forming the frame of the steel ceiling frame 2 on the front part.