The utility model relates to an elevator ceiling mounting structure, including furred ceiling and sedan -chair top, still including installing the locking device of sedan -chair top, the one end of furred ceiling is passed through the furred ceiling pivot and is fixed the sedan -chair top, the furred ceiling can wind the furred ceiling pivot is rotated, the other end of furred ceiling passes through locking device fixes the sedan -chair top, locking device includes hold assembly and spanner, the other end of furred ceiling is provided with the couple, the hold assembly with the couple contact,spanner control the hold assembly is right the centre gripping of couple with loosen, thereby realize opening and the closure of furred ceiling. The advantage lies in that the furred ceiling can maintain the maintenance with the closure through opening of locking device, and is simple and convenient, raises the efficiency.