An electrocardiogram signal converting device includes a first connection module, a signal line and a second connection module. The first connection module is utilized to connect an electrocardiographic measurement cable of an electrocardiographic measurement device, the signal line connecting the first connection module and the second connection module, and the second connection module is utilized to connect an integrated electrode patch.一種心電圖訊號轉接盒包含有一第一連接模組、一訊號線以及一第二連接模組。第一連接模組係用來連接一心電圖量測設備的一心電圖量測電纜,訊號線連接第一連接模組以及第二連接模組,而第二連接模組則係用來連接一整合型多電極貼片。