Tang Beining Pharmaceutical Technology (Beijing) Co., Ltd.

(1) Using placebo as control, preliminarily evaluate the effectiveness of Guizhi Tangwu Granules in promoting wound healing of diabetic foot (yin deficiency with heat toxicity or blood stasis syndrome). (2) Preliminarily evaluate the safety of Guizhi Tangwu Granules in patients with diabetic foot (yin deficiency with heat toxicity or blood stasis syndrome). (3) Based on the above results, provide a basis for Phase III trials.

To verify the effectiveness and safety of Guizhi Tangru Granules in the treatment of diabetic foot (yin deficiency with blood stasis and heat toxicity syndrome) and to explore its optimal clinical dose.