A　kind　of　ECG　monitoring　system,　which　can　monitor　ECG　all　the　time　and　can　give　an　alarm　when　the　abnormal　ECG　signals　are　found,　is　described　in　this　paper.　The　system　is　designed　using　S3C2410X　and　GPRS,　and　its　software　is　designed　based　on　Linux.　The　system　can　monitor　the　patient＇s　ECG　all　the　time.　When　the　abnormal　ECG　signals　are　found,　the　system　will　send　the　short　message　automatically　through　GPRS.