Disclosed is a exercise-used heart signal change displaying device, the heart signal change displaying device being comprised of a exercise frequency receiving module, a heart signal receiving module, a heart signal computing module, and a displaying module. The exercise frequency receiving module is configured to receive a user’s exercise frequency of a specific sport, the heart signal receiving module is configured to receive heart signals form exercising the sport by the user, the heart signal computing module is configured to compute the heart signals so as to produce heart signal information, and the displaying module can display the heart signals and the heart signal information by a graphical interface. Therefore, the heart signal change displaying device can control the displaying module to change the graphical interface according to constantly changing of the heart signals and heart signal information form the user.一種應用於運動之心電訊號變化呈現裝置,包括用以接收使用者進行特定運動項目之作動頻率之運動頻率接收模組、用以接收該使用者進行該特定運動項目之心電訊號之心電訊號接收模組、用以對該心電訊號進行運算以產生心電圖資料之心電圖運算模組、以及具有一圖形化界面且用以透過該圖形化界面顯示該心電訊號及該心電圖資料之顯示模組。據此,當使用者之心電訊號及心電圖資料持續變化時,本發明之心電訊號變化呈現裝置可控制該顯示模組之圖形化界面產生對應之變化1‧‧‧心電訊號變化呈現裝置10‧‧‧運動頻率接收模組11‧‧‧心電訊號接收模組12‧‧‧心電圖運算模組13‧‧‧顯示模組
