To facilitate driving and to reduce the number of times of driving for a wall panel fixing metal fitting into a clearance between a flange and a wall panel, such as a soundproof panel or partition plastic panel used for roads, railroads and factories, which is dropped in a middle of H-shaped steel bar posted in a standard pitch, and providing spring action for fixing the wall panel to a post.

In a wall panel fixing metal fitting 1 formed from a side board 2 in V-shape with bent part, a spring board 3 and a bend piece 4 which is bent from a tip of the spring board 3 to the side board 2 side in sharp angle and of which tip moreover is slightly bent toward the spring board 3 side, a hooking tongue piece cut from the center of the side board 2 with leaving one side and bent toward the spring board 3 side with making the side as the pivot point is hooked and fixed in a hooking tongue piece receiver pieced on the bend piece 4.