OBJECTIVE To detect the expression levels of CD4~+,CD8~+Tlymphocytes and CD4~+CD25~+Treg in the peripheral blood of patients with vitiligo after the treatment of NBUVB combined with Tuibai Granule,and then explore the relationship between vitiligo pathogenesis and the levels of CD4~+,CD8~+Tlymphocytes as well as CD4~+CD25~+Treg.METHODS The expression levels of CD4~+,CD8~+Tlymphocytes and CD4~+CD25~+Treg were detected by FlowCytometry among 120 cases of vitiligo patients and 30 cases of healthy control group...