Clobetasol Propionate/Tretinoin

This study is being done to compare the effects, good and bad, of fractionated CO2 laser treatment and clobetasol propionate .05% ointment on vulvar lichen sclerosus.

A multi-center, randomized, single blind, positive controlled trials that assess the effectiveness, safety and cost-effectiveness analysis in patients with mild to moderate psoriasis vulgaris and compare Compound Clobetasol Propionate Ointment to Calcipotriol Betamethasone Ointment.
Objectives of Study：
Compare Compound Clobetasol Propionate Ointment to Calcipotriol Betamethasone Ointment in the treatment of mild to moderate psoriasis vulgaris in effectiveness and safety;
Compare the cost-effectiveness analysis of two treatment programs.