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Objective:To evaluate the clinical efficacy of traditional Chinese medicine Jiedu therapy in treatment of psoriasis.Methods: CNKI, Wanfang knowledge service platform, VIP joal database, Chinese biomedical literature database ( CBM), PubMed, the Cochrane Library and EMbase database from the establishment of the database to March 2020 were searched for the randomized controlled trials (Rcts) on traditional Chinese medicine Jiedu therapy in treatment of psoriasis. Literature selection and information extraction was completed and screened by two independent reviewers, and then the Cochrane recommended bias risk assessment method was used to evaluate the bias risk, and Review Manager5.3 was used for the data analysis. Totally 17clinical Rcts were included in this study, involving 1376 patients.Results:Analysis results showed that traditional Chinese medicine Jiedu therapy had higher clinical effective rate, with statistically significant difference ( OR= 4.53, 95％ CI[3.17,6.46], Z =8.32, P<0. 00001); the improvement of score was more evident, PASI score (WMD =-2.21, 95％CI[-2.77, -1.64], Z = 7.60, P<0. 00001) ; and trial-related adverse events were reported in 6RCTs. Conclusion: Studies have shown that traditional Chinese medicine Jiedu therapy had higher clinical efficacy.