ABSTRACT
<p><b>OBJECTIVE</b>To analyze the epidemiologic characteristics of TCM syndrome distribution and season correlation in hypertension patients.</p><p><b>METHODS</b>Clinical materials regarding population, symptoms and signs, etc. of 698 hypertension patients were collected, and statistical analysis on them was conducted.</p><p><b>RESULTS</b>TCM syndrome type revealed in patients, in order of frequency from high to low, were: Gan-fire flaming-up syndrome, yin-deficiency and yang-excess syndrome, phlegm-dampness accumulation syndrome, both yin-yang deficiency syndrome, and others. The incidence of various syndromes was higher in the winter/spring and rather low in the summer, and Gan-fire flaming-up syndrome was positively related to the spring and negative to the summer.</p><p><b>CONCLUSIONS</b>The syndrome types of hypertension patients are chiefly the Gan-fire flaming-up syndrome, yin-deficiency and yang-excess syndrome, phlegm-dampness accumulation syndrome, and both yin-yang deficiency syndrome; Gan-fire flaming-up syndrome is the dominance; their incidence is higher in the winter/spring and lower in the summer.</p>