Polarcardiograms using right to left axis as the polar axis were recorded in 112 cases of the clinically healthy subjects. The wave forms of the polarcardiogram of the normal subjects were classified into the several difinite patterns. The quantitative values obtained by the measurement of the polarcardiograms agreed well with those obtained by the vectorcardiograms reported by the various authors. Polarcardiography has advantages not only to let us know the spatial polar coordinates of the cardiac vectors at any instant very easily and quickly, but also to give us the informations of the time-related continuous pattern of the polar components of the cardiac vectors very easily which are difficult to obtain by the conventional ECG and VCG.