Whether dandelion works in treating synovitis depends on the patient’s condition. Dandelion has the effect of clearing heat and removing toxins, subduing swelling and dispersing knots, and is mainly suitable for patients with heat syndrome who have localized redness, swelling and heat pain. Synovitis belongs to the damp-heat syndrome, from the Chinese medicine point of view is due to heat toxicity, can be fresh dandelion mashed, add vinegar and honey to make a paste, placed on gauze, applied to the red swollen joints around, adhere to the external application for a period of time redness, swelling and heat pain symptoms will be relieved. However, dandelion alone is not a complete cure for synovitis, dandelion is only an auxiliary role in reducing swelling.