Wang's bone injury hot compress therapy with Chinese medicine bags is a traditional medicine project in the sixth batch of representative projects of Huai'an's municipal intangible cultural heritage. Historical evolution and distribution Wang's bone injury hot compress therapy with Chinese medicine bags is a traditional Chinese medicine method for treating bone injuries by applying hot compresses to the injured bone with medicine bags, relying on heat to make the medicine penetrate into the injured bone. It has a history of more than 150 years. Wang Chuanye, the ancestor of the Wang family, inherited the ancestral Chinese medicine bone injury therapy, improved the ancestral secret medicine bag formula, and combined with unique techniques to become a local master in treating fractures and rheumatic bone diseases. He cured countless people and enjoyed a reputation in hundreds of miles. It has been passed down for four generations. Basic content and value Wang's Chinese medicine bone injury therapy is characterized by manual reduction, small wooden board clamp external fixation, and herbal bag treatment. Gradually, a bone injury diagnosis and treatment system characterized by "holistic dialectics, manual reduction, wooden board fixation, herbal bag external treatment, equal emphasis on tendons and bones, combination of movement and stillness, and functional exercise" has been formed. Wang's secret medicine bag is made of more than 30 kinds of precious Chinese herbal medicines such as top-grade musk, safflower, dragon's blood, natural copper, blood charcoal, red peony root, fish maw, etc., among which more than a dozen are confidential formulas. It is soaked with secret methods, and the soaking time is determined according to the season, following the rules of five days in spring, three days in summer, and seven days in autumn. When removing fire poison, it needs to be buried in the soil for about 5 days, and then immersed in water for about 2 weeks, and the water is changed twice a day to remove fire poison and avoid allergic reactions such as redness, swelling, itching, rash, and skin breakage and water discharge during hot compress. Wang's bone injury Chinese medicine bag hot compress method is unique in its own way. Its medicinal materials, processing and techniques are unique. While ensuring the efficacy, it greatly reduces the treatment cost compared with Western medicine treatment. It has a certain influence in the local area. Not only patients in northern Jiangsu, but also bone disease patients from Xinjiang, Hebei, Anhui, and Shandong come to seek medical treatment. The cure rate is almost 100%, which is well received by patients.