Heart disease is very common, and 60% of heart attacks occur outside the hospital. Traditional diagnosis is complex and time-consuming, often missing the optimum time. Portable intelligent electrocardiogram is dedicated for above circumstances. Users can collect ECG data as they want and seek medical attention by its timely warning and reminders. 1. Feedback of physiological data without going to hospital in time to reduce time and money costs 2. Portable, can be used anywhere and anytime. 3. Batteries can be used for one year. 4. Combination of science and technology with life, reflecting the era of smart phone It is portable and well-operated. The concave surface is more consistent with the operation of fingers. The product adopting dull-polished medical-grade plastic has no sharp edges, enhancing the operation experience and brand value.