A Study of Yiqi Yangyin Formula in the Treatment of Primary Sjogren's Syndrome

Yiqi Yangyin Formula,consists of seven Chinese herbal medicines（Table 1）: Rehmanniae Radix (Sheng Di Huang), Lilium brownii (Bai He), Adenophorae Radix (Nan Sha Shen), Fructus Hordei Germinatus (Sheng Mai Ya), Artemisia annua (Qing Hao), Cimicifuga foetida (Sheng Ma) , and Bupleurum chinense(Chai Hu)

Yiqi Yangyin Formula placebo,has the same appearance, state, and taste as YQYYF, but contains 5% of the ingredients of Yiqi Yangyin Formula