To provide an attaching fixture which easily attaches a lighting fixture on a pole, while enabling easy removal of the lighting fixture from the pole.

The attaching fixture 10 has a plate member 11 of a rectangular parallelepiped shape to be inserted into an insertion port 65 of an installation face 66 of a fixed box 60, a main wire 12 having one end part 121 and the other end part 122 of a ring shape, and a sub wire 13 having one end part 131 and the other end part 132 of a ring shape. An opening 11A is formed at a central part of the plate member 11 and an opening 11B is formed at an end part. The one end part 121 of the main wire 12 is inserted into the opening 11A of the plate member 11 and is connected to the plate member 11, and the other end part 122 is connected to a fixing fitting 95. The one end part 131 of the sub wire 13 is inserted into the opening 11B formed at the end part of the plate member 11 and is connected to the plate member 11, and the other end part 132 is inserted into the main wire 12 and is connected to the main wire 12.