In accordance with the big size and bulky volume and not easy to carry of ECG monitoring equipment limitations , a new portable ECG collecting equipment of real-time monitoring andlow-cost was designed. Compared to the static ECG monitor , the new design has obviousadvantages easy to cassy and fit to real-time operate .The device can store 24-hour ECG data andtransfer data with PC through the interface of USB .The ECG waveforms can be displayed in theTFT-LCD real-time and show a good interactive interface .