To provide an electric stimulation device which enhances the muscle training ability and the effect of assisting the muscle movement, and a control device thereof.An electrical stimulation device includes an electrode unit for applying an electrical stimulus to an object part of the body, an electrical stimulation having an adaptive strength which is an intensity suitable for assisting the movement of the target portion or the motion of the target portion An instruction unit 43 that can output the signals to the electrode units 11 to 14 and detection units 21 to 24 that detect muscle contraction generated in the target portion by the electrical stimulation applied from the electrode units 11 to 14. The electrical stimulation device 1 further includes a reference intensity which is the reference strength in the case where the electrode portions 11 to 14 output the electrical stimulation so as to increase the strength so as to increase the strength to measure, by the detection portions 21 to 24, On the basis of the intensity of the electrical stimulation outputted by the electrode units 11 to 14 when it is detected.(FIG.【課題】筋肉の鍛錬する効果および筋肉の動作を補助する効果を高める電気刺激装置およびその制御装置を提供する。【解決手段】電気刺激装置1は身体の対象部位に電気刺激を付与する電極部11~14と、対象部位の鍛錬または対象部位の動作の補助に適した強度である適合強度を持つ電気刺激を電極部11~14に出力させることができる指令部43と、電極部11~14から付与された電気刺激により対象部位に生じた筋収縮を検出する検出部21~24とを備える。電気刺激装置1はさらに、適合強度を測定するために強度が増加するように電極部11~14が電気刺激を出力する場合における基準の強度である基準強度を、検出部21~24により筋収縮が検出されたときに電極部11~14が出力した電気刺激の強度に基づいて設定する設定部42を備える。【選択図】図2