Pc-ecg workstation, pc based ecg: simultaneous 12 leads ecg acquisition and display (display format: 12*1, 6*2, 6*2+1r, 3*4+1r, 3*4+3r); fir digital filter to ensure no waveform distortion while eliminating all strong interference; precise ecg auto-interpretation program; multiple printing formats (optional color printing): five kinds in landscape and five kinds in portrait; easy operation, only three hotkeys for ecg acquisition: f1 \"sample\", f2 \"stop\" and f3 \"print\"; powerful database management system for hundreds of thousands of ecg report.