Objective:To observe the efficacy of Xianfangxiaoyinpian in treatment of psoriasis vulgaris. Methods:Xianfangxiaoyinpian was given to mice through infusing stomach, once a day for 14 days,and fufangqingdaiwan and 0. 9% Nacl were given to mice in the control group respectively. We calculated the granular cell in the flake of the mouse's tail through the natural models. Results: The granular cell in the flake of the mouse's tail in the test group was remarkable increased than that in the control group (P 〈 0. 05 ). Conclusion: Xianfangxi...