Hefei Jingfang Pharmaceutical Technology Development Co., Ltd.

On the basis of existing research, a multicenter, randomized, double-blind, dose-parallel controlled trial design was adopted to explore the safety and efficacy of Gan Yu Shu Granules at different doses in the treatment of premenstrual syndrome (liver depression and qi stagnation syndrome), providing a basis for subsequent clinical trials.

The optimal dose of Gan Yu Shu granules for the treatment of premenstrual syndrome (liver depression and qi stagnation syndrome) was explored through a multicenter randomized open trial.

1. Objectively evaluate the clinical efficacy of Yunkeding Granules in treating vertigo and phlegm-stagnation syndrome caused by vertebral-basilar artery insufficiency through phase II clinical trials. 2. Objectively evaluate the safety of Yunkeding Granules through observation of blood, urine, stool routine, heart, liver and kidney function and adverse events.