OBJECTIVETo provide a reference for quantitative diagnosis of Xin-blood stasis syndrome (XBSS) by way of collecting experiences from experts, screening out the diagnostic indices and evaluating their significance.

METHODSWith Delphi method adopted, two rounds of questionnaire survey were carried out in 20 experts, the feedback data were statistically analyzed in terms of concentricity, coordination and authority using SPSS software.

RESULTSThe recovery rates of the two round survey were all 100%; the coordinate coefficient was 0.658 in the first round and 0.622 in the second. And results passed the Chi-square test with P < 0.05, Chi2 = 189.544 in first round and 235.232 in second round. The average degree of expert's authority was 85%.

CONCLUSIONSThe enthusiasm and speciality of the 20 experts were high, and their opinions are of high reliability with great coordination. The information entries, including chest pain, stabbing pain, pain on a relatively fixed position, chest stuffiness, ecchymosis or petechia on tongue, dark-purplish lip and unsmooth pulse, can be taken as the diagnostic indices for XBSS sydrome.