The invention discloses a medicinal plaster for removing stasis, eliminating stagnation and relieving swelling. The effective component of the medicinal plaster is prepared from the following raw materials in parts by weight: 10 to 40 parts of garden balsam stem, 10 to 40 parts of monkshood, 5 to 30 parts of kusnezoff monkshood root, 5 to 20 parts of Chinese angelica, 2 to 15 parts of camphor, 10 to 30 parts of rhubarb, 30 to 60 parts of elderberry, 10 to 20 parts of asarum, 5 to 25 parts of hemlock parsley, 5 to 30 parts of pawpaw, 10 to 30 parts of sappan wood, 2 to 15 parts of safflower, 5 to 25 parts of slenderstyle acanthopanax bark, 10 to 30 parts of drynaria rhizome, 10 to 30 parts of eupolyphaga, 5 to 20 parts of frankincense, 20 to 40 parts of myrrh, 5 to 20 parts of borneol, and 10 to 40 parts of dragon's blood. The medicinal plaster has excellent functions of activating blood circulation to remove stasis, dispelling wind and eliminating dampness, diminishing inflammation and removing swelling, softening and eliminating stagnation, and clearing and activating the channels and collaterals, helps a patient relieve pains, and can be used for treating lumbar spondylosis, cervical spondylosis, hyperosteogeny, fasciitis, arthralgia and myalgia, osteoarthritis, arthromeningitis, scapulohumeral periarthritis, mastitis, carcinoma part, nodule swelling, trauma and gout. According 1200 cases in nearly 3 years, the cure rate or effective rate of the medicinal plaster is 98 percent.