Objective:To observe the clinical effect and safety of diammonium glycyrrhetate(DG) in the treatment of psoriasis vulgaris.

观察甘草酸二铵型银屑病的临床效安全性。

The treatment group received silybinin plus riboside tablet and the control group received silymarin tablet and diammonium glycyrrhizinate capsule.

水林佳肌苷组;益肝灵甘利欣胶囊对照组。