The present invention relates to a wearable ECG detection device. The device includes a first electrode and a second electrode, wherein at least the first electrode structure is mounted on a users body through a wearable structure, and the second electrode will come into contact with skin in upper limbs, neck, or shoulder so as to realize an ECG signal acquisition circuit and perform an ECG signal acquisition as well.本發明關於一種穿戴式心電檢測裝置。該裝置包括一第一電極以及一第二電極,其中,至少該第一電極是透過一穿戴結構而設置於使用者身上,且該第二電極會接觸上肢、頸部、或肩膀的皮膚,以實現一心電訊號擷取迴路,並進行心電訊號擷取。