An electrocardiography device is provided, including an adhesive assembly, a printed circuit board, two electrodes, a power supply assembly, and a sensor assembly. The printed circuit board is disposed on the adhesive assembly. The electrodes are connected to the circuit board and arranged along a first direction. The power supply assembly and the sensor assembly are disposed on the adhesive assembly arranged along a second direction. The first direction is different from the second direction, and the power supply assembly is separated from the sensor assembly.本創作提供一種心電圖裝置,包括一黏貼組件、一印刷電路板、兩個電極、一供電組件、以及一感測組件。印刷電路板設置於黏貼組件上。兩個電極連接前述印刷電路板,且沿一第一方向排列。供電組件和感測組件設置於黏貼組件上並連接印刷電路板,且供電組件和感測組件係沿一第二方向排列。其中,前述第一方向相異於第二方向,且供電組件和感測組件彼此分離。