The invention discloses an external fumigation-washing traditional Chinese medicine for treating sports injury and tumescent osteoarthrosis. The external fumigation-washing traditional Chinese medicine has an optimal prescription by weight as follows: 5g of schizonepeta, 5g of radix saposhnikoviae, 5g of dandelion, 5g of philippine violet herb, 5g of radix sophorae flavescentis, 5g of folium artemisiae argyi, 7.5g of carthamus tinctorius, 7.5g of pericarpium zanthoxyli, 5g of erythrina indica lam, 5g of cortex acanthopanacis, 5g of garden balsam stem, 5g of wild ginger, 5g of radix achyranthis bidentatae, 2.5g of raw glycyrrhiza, 5g of cape jasmine, 5g of roasted semen coicis, and 5g of rheum officinale. The medicines above are strictly processed, are grinded into thick powder and bagged for use. A patient being subjected to sports injury and tumescent osteoarthrosis can be treated via the external fumigation-washing traditional Chinese medicine by the following steps: placing the external fumigation-washing traditional Chinese medicine into a large enamel basin, dipping for 30 minutes via cold water, heating until boiling, turning off the fire after 10 minutes, and then fumigating an affected part, and finally washing the affected part via the medicine liquid at the temperature without burning hands by using a towel until the medicine liquid is cold, thus a course is finished. A patient with mild symptom needs the treatment once each day, and a patient with heavy symptom needs the treatment twice each day. The same external fumigation-washing traditional Chinese medicine can be used for five times, and fifteen days are considered as a course. The treatment under the external fumigation-washing traditional Chinese medicine needs one to four courses, and the external fumigation-washing traditional Chinese medicine has effective rate of 100%.