Objective To explore the correlativity between indexes of hemorheology and blood vessel ultrasound changes of subject with blood-stasis-tongue. Methods According to syndrome differentiation

81 cases with blood-stasis-tongue were divided into group with tongue of phlegm retention and blood stasis and group with tongue of deficiency of Qi and blood stasis

then their indexes of hemorheology and blood vessel ultrasound examination were tested. Results In group with tongue of phlegm retention and blood stasis

pulsation index of sublingual artery was positively related with deoxidized viscosity of whole blood （high

median and low shearing degree） and aggregation index of red blood cell

while there was nagative condition in group with tongue of deficiency of Qi and blood stasis. Conclusion The hemorheological change in tongue is sensitive for microcirculation affected by diseases

povided more information for exploring basic theory in Chinese medicne and clinical diagnosis and treatment for its reflection of certain pathological change

which is a worthy pathway for objectiveness of diagnosis in Chinese Medicine.