The branch of external treatment of traditional Chinese medicine. Chinese medicine fumigation therapy is also called Chinese medicine steaming therapy and Chinese medicine steam bath therapy. , drug osmotic therapy, hot fog therapy, etc. In some ethnic minority areas, it is called "baking elegance". Chinese medicine fumigation is a comprehensive chemical and physical therapy with hot medicine steam as the therapeutic factor. The earliest clinical application of this method has been recorded since the pre-Qin period, and there are many surgical methods in later generations. In the Qing Dynasty, fumigation of traditional Chinese medicine tended to be mature. After the founding of New China, with the rapid development of science and technology, traditional Chinese medicine fumigation has also developed in theory and practice, and has gradually been widely used in many aspects of leisure health care, rehabilitation and clinical treatment of diseases. The written records of the external treatment of traditional Chinese medicine are as follows: Book of Rites: If you have a sore on your head, you should take a bath, and if you have a choice, you should take a bath. Huangdi Neijing also said: There are evil spirits, which are regarded as sweat, and evil spirits can be solved by sweat. "Fifty-two Diseases Prescription" was unearthed with Mawangdui Han Tomb, and it was clearly put forward that the diseases should be treated by steaming with hot medicine boiled by traditional Chinese medicine, including all-round fumigation and bathing, such as treating hemorrhoids with Luo Ruan; Boiling leek wine to treat traumatology diseases. Zhang Zhongjing, a medical sage in the Eastern Han Dynasty, also described the prescription and technique of fumigation and washing with Sophora flavescens to treat women's lower body eroded by fox disease. Ge Hong's Elbow Backup Emergency Prescription in Jin Dynasty recorded the treatment of trauma and carbuncle by decocting Cortex Phellodendri and fumigating with Huang Cen. During the Tang and Song Dynasties, fumigation developed rapidly. On the basis of pudendal and foot fumigation, the methods of eye fumigation and hair fumigation were put forward. Sun Simiao's "Qian Jin Fang Yao" recorded the prescription and technique of fumigation and washing with a large dose of Huangqi Fangfeng Decoction to treat Queen Liu's stroke and revive her. The use of traditional Chinese medicine fumigation therapy in the Palace Deep Hospital to treat the severe stroke of the Empress Dowager was enough to explain the role and influence of traditional Chinese medicine fumigation therapy at that time. Fumigation therapy was further developed and matured in Yuan, Ming and Qing Dynasties. The first aid theory and parallel prose theory in Qing Dynasty are the maturity and perfection of the branch scientific system of external treatment of traditional Chinese medicine. In particular, the incisive, dialectical and irrefutable macro theory in theoretical parallel prose has pushed the external treatment of traditional Chinese medicine from practice to theory to a new height. Among them, Wu Shiji, a master of external treatment, practiced hard, thinking that "external treatment has lasted for more than ten years, and tens of thousands of people have been detained for inspection, and countless people have been treated". Palace fumigation has a long history. In the Tang Dynasty, concubines bathed themselves with hot springs and flowers. The Imperial Hospital of Yuan Dynasty recorded the fumigation prescriptions of emperors and queens in past dynasties and various fumigation prescriptions for treating joint pain, hemorrhoids, impotence and scrotal swelling and pain. Especially in Qing Dynasty, fumigation occupied a large proportion in Fang Yaozhong of Qing Palace. 65 pieces of fumigation commonly used by Cixi Guangxu were collected in "Selected Documents of Medical Prescriptions of Cixi Guangxu". Among them, there are 20 fumigation prescriptions, 6 fumigation prescriptions 16, 3 fumigation prescriptions, 5 fumigation prescriptions 15, 7 fumigation prescriptions for limbs and 4 fumigation prescriptions. It can be seen that the application of fumigation therapy in court has been highly valued. Chinese medicine fumigation is widely used in: 1, rheumatic diseases: rheumatism, rheumatoid arthritis, ankylosing spondylitis. 2, bone injury diseases: lumbar disc herniation, scapulohumeral periarthritis, degenerative osteoarthropathy, various acute and chronic soft tissue injuries. 3, skin diseases: ichthyosis, psoriasis, scleroderma, skin itching, seborrheic dermatitis and so on. 4. Internal medicine: cold, cough, hyperlipidemia and high protein, diabetes, insomnia, neurosis, thromboangiitis obliterans, chronic enteritis. 5, gynecology: dysmenorrhea, amenorrhea and so on. Ten effects of fumigation therapy: dredging meridians can relax bones and muscles, open human meridians, promote blood circulation, and is effective for all kinds of wind pain. Purification and detoxification of blood can improve human metabolism, promote blood circulation, help eliminate waste and hepatorenal toxins in the body, and have special effects on various edema. Detoxification and sterilization can penetrate deep into subcutaneous tissue, sterilize, remove dirt, help exfoliate and whiten skin. Eliminating fatigue can make the whole body relax, relieve stress, feel happy and restore vitality. Activated cells can make the whole body cells active, effectively improve physical fitness and enhance immunity. Strengthening function can stimulate human microcirculation system and improve various functions of human body. Losing weight can help sweat, eliminate excess calories, burn excess fat, and make your body slim and bumpy. Beauty spot removal can regulate endocrine, prevent gynecological diseases and eliminate spots. Improve sleep and take a bath for 20 minutes, which is equivalent to strenuous exercise for 40 minutes. After taking a shower, you can go into a deep sleep and wake up feeling relaxed and refreshed. Prevention of chilblain can improve microcirculation of limbs, relieve cold symptoms of hands and feet, and prevent frostbite.