Rotating door

The invention discloses a rotating door, and belongs to the technical field of metal doors and windows. The rotating door comprises two opposite cylindrical walls with openings and a rotating device arranged in the cylindrical walls, wherein the rotating device comprises a rotating shaft and a plurality of door wings rotating around the rotating shaft; each door wing comprises a door frame and a glass plate embedded in the corresponding door frame; the glass plate is tempered glass; a safety hammer is arranged on the rotating shaft arranged between the adjacent door wings; and a plurality of breaking points are marked on the outer surface of the glass plate. The rotating door has the advantages that by aiming at the defects of a conventional rotating door, the glass plate arranged on the conventional rotating door is replaced by the tempered glass identical to glass on a bus; the safety hammer is used; and the breaking points are also marked on the glass plate, so that a fast escaping passage can be provided in emergency.