Buyang Huanwu Tang was mainly used to treat stroke with qi deficiency and blood stasis. This prescription came from Wang Qingren's "Yi Lin Gai Cuo" in the Qing Dynasty. It had the effect of replenishing qi, promoting blood circulation, and dredging meridians. The main treatment is paralysis of the upper body, drooling of the mouth and eyes, difficulty in speech, salivation at the corner of the mouth, flaccidity of the lower limbs, frequent urination or enuria, dull tongue, white moss, slow and weak pulse. If you want to know more about the follow-up, click on the link and read it!