Swollen knotted wind is a Chinese herbal medicine, swollen knotted wind is the dried whole plant of grass coral in the family of Aesculapiaceae. It is bitter, pungent and flat in flavor. It enters the liver meridian and the heart meridian, and can be used both internally and externally. Swollen knotted wind has the effect of promoting blood circulation and eliminating stasis, clearing heat and cooling blood (relieving blood heat by clearing heat), dispelling wind and clearing collaterals (dispelling wind and clearing meridians), and is used in the treatment of rheumatism and paralysis, purpura, blood-heat violet spots, bruises, etc. It is also used in the treatment of pains of rheumatism and paralysis, purpura, blood-heat violet spots, and bruises. Swollen knuckle wind activates blood circulation and removes blood stasis (promotes blood circulation and eliminates blood stasis in the body). Swollen knuckle wind is contraindicated in pregnant women and people with excessive menstruation. The adverse reactions of Swollen Joint Feng are not clear. If needed, please use it under the guidance of a professional Chinese medicine practitioner, do not use it on your own to avoid delaying your condition.