Hello, the medicine you are consulting is Duji Jiaodu Plaster, which can dispel wind and remove dampness, relieve swelling and pain, detoxify and heal sores, and is used for rheumatism, phlegm and blood stasis blocking collaterals, joint swelling and pain, unfavorable flexion and extension, rheumatoid arthritis and hyperosteogeny. Those who see the above symptoms can also be used for phlegm and blood stasis, ulcer and scrofula. Heat to soften, spread it on a cloth and stick it on the affected area. The plaster is bigger than the affected area. Cover it tightly.