Objective: To explore traditional Chinese medicine (TCM) syndromes regularity of psoriasis and primary Chinese herbs treating blood-heat syndrome psoriasis and their combination regularity with text mining technique. Method: Literatures on Chinese herbs treating psoriasis were collected from Chinese biomedical literature database(CBM).And access database was established.Above data was processed by SQL

meanwhile

data noise was removed with artificial means.And then

TCM syndromes regularity of psoriasis and primary Chinese herbs treating blood-heat syndrome psoriasis and their combination regularity were received by text mining technique. Result: The top five TCM syndromes of psoriasis include successively blood-heat syndrome

blood deficiency syndrome

blood stasis syndrome

wind-heat syndrome

as well as wind-damp syndrome.In paticular

blood deficiency syndrome often occurred simultaneously with other syndrome.The top five primary Chinese herbs treating blood-heat syndrome psoriasis were following: rehmannia

indigo

soil Poria

tuckahoe and salvia.Especially

indigo was the most commonly used in combination with other Chinese herbs when treating blood-heat syndrome psoriasis. Conclusion: TCM syndromes regularity of psoriasis and primary Chinese herbs treating blood-heat syndrome psoriasis and their combination regularity not only reflect clinical practical state

but also provided an objective basis for standardization of TCM diagnosis and treatment to psoriasis.