External washing herbal formula: mugwort 30g zelen 30g stretching grass 30g transverse herb 30g Sichuan pepper 15g, add water about 2500ml (about 5 kg) boil and then boil for about 10 minutes can be used, the beginning of the liquid is hot can be placed on the affected foot above the liquid with the liquid steam fumigation, to be suitable for the temperature of the liquid and then soak feet or wet heat compress test the affected area, general soak or wet heat compress for about 20 minutes can be, every day 1~2 times a day, using about 1 week will have certain effect. This formula can be used for the recovery period of joint dysfunction after the healing of fracture and dislocation or the treatment of osteoarthritis joint swelling and pain.