Purpose : to, real estate advertising for a, purpose, regardless of darkness in the store advertisement printed advertising effect, and, to simplify replacement of display advertising matter can be cleanly. Constitution : real estate advertising matter, sandwiched with the clear sheet, to the rear of the advertising billboard (10) window provided in the upper body from guideline (9) is inserted along the, bulletin obliquely fixed therein. Attached to the inside of the main body of the lighting fixture (6) bulletin directly receiving light and enhancing the advertising effect.