Provided is a positioning
analysis method for electrocardiogram and
phonocardiogram based on cardiac sound characteristics. The method comprises following steps: synchronously acquiring and synchronously recording electrocardiogram and
phonocardiogram, and using the same timeline for the electrocardiogram and
phonocardiogram; identifying cardiac sound characteristics in the phonocardiogram, the cardiac sound characteristics comprising at least S1, S2 and a
cardiac cycle, and marking the timeline with time tS1 of the S1, the time tS2 of the S2, and the
cardiac cycle; for the electrocardiogram,carrying out following operations within each
cardiac cycle: determining the period from S1 to S2 and searching for cardiac T
waves in the period and determining the period from the S2 to the end moment of the cardiac cycle and searching the cardiac R
waves and P
waves within the period; if any of the T waves, the R waves and the P waves is missing, then outputting the cardiac
abnormality alarm. The invention has the advantages of being able to initially identify the function of the heart by using the matching relationship between the electrocardiographic characteristics and the phonocardiogram characteristics, and is suitable for the advantages of home
cardiac monitoring.