Hubei Qijin Pharmaceutical Co., Ltd.

The target ulcer healing rate after 5 days of treatment was used as the primary efficacy indicator. A randomized, double-blind, placebo-controlled, multicenter clinical trial was conducted to confirm the effectiveness and safety of Jingmen Shangqing Pills in the treatment of recurrent oral ulcers (upper-jiao heat syndrome).

To evaluate the efficacy and safety of Jingmen Shangqing Pills in the treatment of recurrent oral ulcers using placebo as a control