Herbal water washing for knee osteoarthritis is effective. Chinese medicine water washing for knee osteoarthritis patients to relieve pain, promote local qi and blood flow has a better effect. 1. Chinese herbal medicine prescription: you can use mugwort leaves, Xu Changqing, Bone-smoothing, Fangfeng, wide tendon vine and other drugs to dispel wind and remove dampness (to get rid of wind and dampness in the body). 2. Wash method: add water to the Chinese medicine decoction for about 20~30 minutes; pour the liquid into the basin, feet soaked into the dry towel on the knee, sheng take liquid repeatedly dripping on the towel; when the temperature of the liquid in the basin declines, you can boil a pot of water to add appropriate, pay attention to maintain the temperature; can be carried out 1~2 times a day, each time soaking for about 20~30 minutes is appropriate; fumigation should be quickly dried after the end of the good warmth measures. 3. Precautions: This formula is not suitable for patients with knee swelling or gouty arthritis. In addition, since the elderly are less sensitive to temperature, family members must test the water temperature on behalf of the elderly to avoid burns. Whether in the attack, or remission period, adhere to the Chinese medicine water washing can effectively improve the operation of qi and blood, reduce the symptoms of knee arthritis soreness and pain, but knee arthritis patients should be under the guidance of the doctor to carry out Chinese medicine water washing treatment.