The Stress ECG Analysis System is consist of sampling hardware device, special software system and exercise equipment. Its functions include 12 leads ECG synchronously sampling, and data storage, ST segment analysis, ECG review in dynamic/static/superimposed during the whole exercise process, and trend chart analysis of multiple parameters, multiple printable report, etc. The patient's exercise state can be recorded timely and accurately, which reflects patient’s heart function, providing reliable data for doctors in diagnoses.