Abstract: The present invention provides a palm type electrocardiograph having a case, in which a push button is provided at the front side thereof, a USB port is installed along a lateral side thereof, and two metal holes are assembled at the back thereof. A conductive sticker is also designed with two metal electrodes being penetrately assembled in the center thereon. The conductive sticker has three layers, the first layer is foam, the second layer is conductive graphite, and the third layer is conductive adhesive. An internal circuit is provided in the palm type electrocardiograph, including a microprocessor, an A/D converter, a program memory and a flash memory.