A care plan output device, a care plan output method, and a care plan output system according to the present invention store a plurality of care plans associated with a plurality of care subjects, respectively, and based on the stored plurality of care plans The care plan elements that are not yet performed in each of the plurality of care subjects are sorted in a predetermined priority order with respect to the time point of the time, and when the care plans are displayed, the care plans are displayed in the sorted order. , An unimplemented care plan element for each of the plurality of care subjects is output. The monitored person monitoring system of the present invention includes the care plan output device.本発明のケア計画出力装置、ケア計画出力方法およびケア計画出力システムは、複数のケア対象者それぞれに対応付けられた複数のケア計画を記憶し、前記記憶した複数のケア計画に基づいて、所定の時点を基準に、時刻に関する所定の優先順で、前記複数のケア対象者それぞれにおける未実施のケア計画要素をソートし、前記ケア計画を表示する場合に前記ソートされた順で表示するように、前記複数のケア対象者それぞれにおける未実施のケア計画要素を出力する。本発明の被監視者監視システムは、前記ケア計画出力装置を含む。