To provide a method and a system for obtaining a human posture that has the effects of convenience, fast response, low cost, and only one calibration.SOLUTION: The present invention comprises the steps of: transmitting one or more electromagnetic signal to a processor by one or more first type of or second type of electromagnetic field radiators attached respectively to a human torso or limbs; measuring differences of the voltage amplitudes of received signals of the first type of electromagnetic field radiators relative to an electromagnetic field radiator disposed at the origin of a reference coordinate and calculating coordinate information of the first type of electromagnetic field radiators relative to the origin; obtaining motion trajectories of the second type of electromagnetic field radiators based on relationship of distances and angles between the second type of electromagnetic field radiators and the first type of electromagnetic field radiators and calculating coordinate changes based on the motion trajectories to obtain coordinate information of the second type of electromagnetic field radiators relative to the origin; and obtaining real-time information of a human posture based on real-time coordinate information of the first type of electromagnetic field radiators relative to the origin and real-time coordinate information of the second type of electromagnetic field radiators relative to the origin.SELECTED DRAWING: Figure 1【課題】便利で応答が速く低コストで較正が1つのみの効果を有するヒトの姿勢を獲得する方法およびシステムを提供する。【解決手段】本発明は、ヒトの胴及び肢部に各々取り付けられた1つ以上の第1及び第2のタイプの電磁場放射器で1つ以上の電磁信号をプロセッサに送信し、基準座標の原点に配置された電磁場放射器に対する第1のタイプの電磁場放射器の受信信号の電圧振幅の差を測定し原点に対する第1のタイプの電磁場放射器の座標情報を計算し、第2のタイプの電磁場放射器と第1のタイプの電磁場放射器の間の距離と角度の関係に基づいて第2のタイプの電磁場放射器の運動軌道を獲得し運動軌道に基づき座標変化を計算して原点に対する第2のタイプの電磁場放射器の座標情報を獲得し、原点に対する第1のタイプの電磁場放射器の実時間座標情報と原点に対する第2のタイプの電磁場放射器の実時間座標情報とに基づきヒトの姿勢の実時間情報を獲得する各ステップを含む。【選択図】図1