Corydalis Powder and Toosendan Fruit Powder both function to regulate qi and resolve stasis to relieve pain. However, Corydalis Powder contains more blood-regulating herbs, has a stronger effect on dredging collaterals and relieving pain, and is combined with Cassia Bark, making it more warming in nature. It is suitable for pain caused by qi stagnation and blood stasis of a cold nature. Toosendan Fruit Powder, on the other hand, has fewer ingredients and is milder in effect, with a cooling nature. It is suitable for mild pain caused by qi and blood stagnation of a heat nature.