To secure the safety of a passer-by held between a partition body and a cylindrical wall body even when an opening/closing machine for which urgent stop is operated runs idle until it is urgently stopped in a revolving door device having an emergency stop function.

A second safety panel body 22 of generally L-shape formed of a revere running prevention panel 23 installed at the rear end of the cylindrical wall body 2 and extended to the cylindrical wall body 2 and a holding prevention panel 24 projecting from the rear end of the reverse running prevention panel 23 in the radial outer direction is rotatably journaled at the outer diameter end position of the holding prevention panel 24. As a result, when the passer-by is held, the second safety panel body 22 is rotatingly retreated in the radial outer direction to secure an open space.