RESUMEN
Objective To observe the therapeutic effect of Ziyin Yangxue Qingre Formula (Formula for enriching yin,nourishing blood and clearing heat) on primary Sjogren's Syndrome (pSS).Methods Totally 64 female pSS patients were randomized into a treating group (33 cases),and a control group (31 cases).The control group was administered Hydroxychloroquine Sulfate Tablet.In addition,the treating group was prescribed Ziyin Yangxue Qingre Formula.Three-month treatment was as one course.After one course of treatment,the changes in symptom scores,salivation quantity,tear quantity,and immuno-infective indices were observed to compare the effect between both groups.Results The total effective rate of the treating group(87.88%) was significantly higher than that (64.52%) of the control group (P