This prescription is caused by deficiency of vital qi, qi deficiency and blood stasis and vein stasis after stroke. Lack of vital qi, blood circulation can not lead to blood stasis, muscle loss of nutrients, so see hemiplegia, mouth and eyes? Oblique qi deficiency and blood stasis, nourishing tongue, so the language is astringent; Qi deficiency refers to fixation, so drooling, frequent urination and urinary incontinence; Pale tongue, white fur and slow and weak pulse are signs of qi deficiency and blood stasis. This prescription is based on qi deficiency and marked by blood stasis, which is what Wang Qingren called "deficiency and blood stasis". Treatment should be based on benefiting qi, supplemented by promoting blood circulation and dredging collaterals. This prescription uses raw astragalus to replenish vitality, aiming at promoting blood circulation, removing blood stasis and dredging collaterals, which is the monarch medicine. Angelica tail was used as an official medicine to promote blood circulation and dredge collaterals, without hurting blood. Radix Paeoniae Rubra, Rhizoma Chuanxiong, Semen Persicae and Carthami Flos cooperate with angelica tail to promote blood circulation and remove blood stasis; Lumbricus has the function of dredging channels and collaterals, is good at walking and circulating all over the body to exercise medicinal properties, and also has the function of assisting drugs.