Telemedicine is gaining more and more momentum as a new approach for patients’ surveillance. In many warded parameters, electrocardiography is the most important, especially for monitoring patients with serious cardiovascular problems. They need to be monitored frequently in order to prevent state of an illness worse. A new electrocardiographic telemetry system based on GPRS can deal with the information of patients in real time. And then, it analyzes the project of electrocardiogram data transmission by telecommunication. Further, it gives the design of hardware system and software system in a electrocardiographic telemetry terminal system.