Guangzhou University of Traditional Chinese Medicine 510405 Guangdong;
Guangdong Provincial Hospital of Traditional Chinese Medicine 510120 Guangdong;
State Key Laboratory of Dampness Syndrome of Chinese Medicine 510120 Guangdong;
Key Laboratory of TCM Syndrome Clinical Research of Guangdong Province 510120;
Psoriasis vulgaris; Dampness-removing therapy; Randomized controlled trial; META-ANALYSIS;