PURPOSE: To facilitate the use by a waiting passenger at a cage stop by opening the door of an elevator corresponding to a cage stop call, when a selected elevator arrives the floor generating the cage stop call and another elevator arrives or exists on the said floor.

CONSTITUTION: In normal case, cage stop call buttons 3 are controlled with a group control part 1 through a slow transmitting passage 7, and when the cage stop call button 3 is pushed, a cage stop call gate is closed, a register lamp is set, an optimum machine is decided based on information of single body control parts 2-1,-2-N sent through a high speed transmitting passage 6, and the single body control part receiving a control command controls the single body. When a selected elevator arrives the floor generating the cage stop call and another elevator arrives or exists on the said floor, the cage stop call operation on the floor is detected, and the door of an elevator corresponding to the cage stop call is controlled to open. Thus, even in case of a puzzled passenger, it is prevented to miss the cage.