Objective To establish a method for standardized evaluation on curative effect of external Chinese medicinal for treating psoriasis of blood-heat type. Methods Through retrospective study

literature arrangement

expert questionnaire and Optimization argument

an evaluation method was formed initially. The multi-centered

big sampled and randomized double-blinded placebo-controlled clinical trials were designed according to demand of evidence-based medicine

taken Pulian Gao treating psoriasis of blood-heat type as an example

for verifying and summing up the evaluation method. The scores of psoriasis area and severity index （PASI） and TCM syndromes were regulated and improved. Results An evaluation system of curative effect was initially established including evaluation of curative effect on disease

evaluation of curative effect on TCM syndromes and evaluation on safety. Conclusion The evaluation method established in this study is comprehensive

accurate and objective in the evaluation on the curative effect of external Chinese medicinal for treating psoriasis of blood-heat type.