This paper deal with the newly designed cardiac pacing needle which is used as an electrode in temporary cardiac pacing. Animal experiment has shown that in emergency life-saving this needle was functional and reliable. This also has been identified by clinical application. By utilizing the needle, the authors have successfully saved three patients' life threatened by sudden death. Using this needle to pace the heart is simple, swift, immediate and has less side effect. It is specially fit for grassroot medical units to develop emergency cardiac pacing.