PROBLEM TO BE SOLVED: To provide a system for evaluating a state of a resident in time series, and determining a health state of the resident, in which the resident is not aware of the system in a daily life.SOLUTION: A system for watching a health state of an object person comprises: a measurement part for measuring a position of the object person in a facility where the object person resides or stays in time series and an information processing part for determining a health state of the object person by determination of whether or not, change in time series of the position of the object person satisfies a prescribed determination condition.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】日常生活の中で居住者が特に意識することなく、居住者の状態を時系列に評価し、居住者の健康状態を判定するシステムを提供する。【解決手段】対象者の健康状態を見守るシステムは、前記対象者が居住あるいは滞在する施設における前記対象者の位置を時系列で測定する測定部と、前記対象者の位置の時系列の変化が所定の判定条件を満たすかを判定することにより、前記対象者の健康状態を判定する情報処理部と、を備える。【選択図】図1