Ischemic stroke, as a disease with high incidence rate, high disability rate and high mortality rate, gradually becomes one of the top three diseases threatening human life after malignant tumor, cardiovascular disease. “Yi-can” (one of the Chinese medicine book) said that, the pure brain miscellaneous can result in acute sensation but the turbid result in blunt sprite, the “miscellaneous” are mostly haunted with blood stasis. Therefore, the blood stasis is the main pathogenesis of ischemic stroke, so the “promoting blood circulation to remove blood-stasis” method should be the backbone of the ischemic stroke therapy, but most of “promoting blood circulation to remove blood-stasis” method with the character of breaking and discharging. Dispelling stasis too much can result in consumption of qi and impairment of yin, therefore in the ischemic stroke, differentiation of different treatment stages is the therapeutic principle. And the course of dispersion and astringent, discharge and reinforcement should be performed at the same time so as to nourish and break altogether, remove blood-stasis and does not hurt the healthy qi.