Objective To discuss the rule of distribution of TCM syndromes of Psoriasis （Ps）.Methods The 205 Ps vulgaris outpatients were investigated and the case research forms were filled in.Based on the diagnosis standard of TCM syndromes

the patients were differentiated into different syndromes.The correlation between the syndromes and clinical materials were discussed.Results The main TCM syndromes of Ps were blood heat

blood stasis

blood dryness

blood heat-stasis

blood heat-dryness and blood stasis-dryness.The distribution of these six main syndromes in different ages

disease stages

and recurrent time in different groups was significantly different （P<0.01）.Conclusion In the progressive stage of Ps

the blood heat syndrome accompanied with blood stasis and blood dryness is the main manifestation.In the resting stage

it is mostly manifested as blood heat-stasis syndrome.In the regressive stage

the blood dryness syndrome is commonly seen.Therefore the treatment not only depending on the disease stages of modern medicine but also following the TCM syndromes should be adopted in practice.