"骨" means deep, and "蒸" means fumigation, which describes the hot air of Yin deficiency and hot flashes coming out from the inside, so it is called bone steaming. That is, tuberculosis. Bone steaming is a kind of deficiency heat, which is often called "bone steaming and hot flashes" in clinical practice. Bone steaming and hot flashes are caused by long-term Yin deficiency, that is, the feeling of heat coming out from the bones. Treatment requires tonifying the kidney and nourishing Yin, such as Liuwei Dihuang Pills, Dabuyin Pills, Zhibai Dihuang Pills, etc. ① One of the five steaming. Fever seems to be steaming from the bone marrow. "Wai Tai Mi Yao" Volume 13: "Heat in the bone marrow is called bone steaming." "Zhu Bing Yuan Zhou Lun·Xu Lao Gu Zheng Hou": "There are five steaming diseases. One is bone steaming, which is rooted in the kidney, and the body is cold at first, hot in the evening, irritable, unable to sleep well, tasteless, red and yellow urine, sudden agitation, weak breathing, back pain, cold feet, and hot palms. If the steaming is too strong, it will turn into malnutrition inside and eat the five internal organs. "And common symptoms include night sweats, spermatorrhea, nocturnal emission, or menstrual disorders. It is caused by yin deficiency and internal heat, and the treatment should be to nourish yin and clear heat, with prescriptions such as Qinjiao Biejia San and Chaiqianmeilian San. It is also one of the twenty-three steamings. "Treatise on the Causes and Symptoms of Various Diseases·Asthenia and Bone Steaming": "Bone steaming, black teeth." See steaming disease, five steamings, twenty-three steamings, etc. ② Refers to tuberculosis. "Miscellaneous Diseases General Essentials·Bone Steaming": "Bone steaming is what later generations called tuberculosis." Bone steaming disease, also known as tuberculosis, is a chronic infectious disease caused by Mycobacterium tuberculosis that can affect multiple organs throughout the body, but pulmonary tuberculosis is the most common.