ABSTRACT
<p><b>OBJECTIVE</b>To analyze and investigate the rules for drug utilization of Chinese medicine for the treatment of psoriasis vulgaris with blood-heat syndrome.</p><p><b>METHODS</b>The literatures that met the following inclusion criteria were screened out from China National Knowledge Infrastructure (CNKI) from January 1998 to December 2008, including the compositions and dosages of the recipes reported completely and accurately, the sample size being [Symbol: see text] 30 cases and the total effective rate being [Symbol: see text] 70%.</p><p><b>RESULTS</b>In total, 289 papers meeting the inclusion criteria were retrieved, involving 301 recipes; in which 111 recipes consisting of 145 individual drugs were the function for clearing the heat, accounting for 52.84%. The three drugs with the highest utilized frequency were Radix Rehmanniae, Radix Arnebiae seu Lithospermi and Cortex Moutan. Meridian adscription of the drugs was mainly the Gan-meridian.</p><p><b>CONCLUSION</b>There were rules for the treatment of psoriasis vulgaris of blood-heat syndrome with Chinese medicine prescriptions.</p>