To provide an infusion device that efficiently determines correct / incorrect of an infusion tube during setup change. Kind Code: A1 A motor shaft information of a drive motor for driving an operation unit for sequentially compressing and relaxing an infusion tube of an infusion device is acquired, and whether or not the infusion tube is correct is determined based on the motor shaft information. [Selection] Figure 1【課題】段取り替え時の輸液チューブの正誤判定を効率良く行う輸液装置を提供する。【解決手段】輸液装置10の輸液チューブ20を順次圧縮および弛緩する作動部12を駆動する駆動モータのモータ軸情報を取得し、前記モータ軸情報に基づいて、前記輸液チューブの正誤判定を行う。【選択図】図1