LCH is commonly considered as a cancerous condition, even if it is not so. Although the exact specific reason for the development of the disease is still under debate, recently researchers insist that it would be caused by an autoimmune disorder. Tumors are formed by the extra immune cells that can affect various areas of the patient’s body, including the skull, bones and other areas. Genetic factors are believed to be responsible for some forms of LCH.Our TCM clinical practice has showed that integration of Chinese medicine and western medicine is a very good choice for this disease. According to the theory of traditional Chinese medicine, there are some patterns of syndrome that lead to LCH.1. Excessive heat and toxins in the body2. Dysfunction of the liver3. Deficiency of the kidney4. Low-resistance to virus