Summary of case history, Chen, a 48-year-old male, was diagnosed with Adult onset Still diseas for 2 years due to recurrent fever and rash. Over the past two years, patients with fever and recurrent limb rash and joint pain have been repeatedly diagnosed and treated in several large tertiary hospitals. Multiple examinations of rheumatoid factors and antinuclear antibody spectrum were negative, bone marrow puncture was negative, and blood culture was negative. After treatment with hormones and non-steroidal anti-inflammatory drugs, the effect was not good. After treatment, the patients were engraved with high fever, chills, yellow face, slightly reddish zygomatic regions, and dispirited. The red rashes on both elbows, knees and ankles were accompanied by pain. The fever was aggravated. The rashes were consumed poor food, poor sleep, and adjusted for two times. There were tooth marks on the red edge of the tongue. The tongue was pale and pale, and the pulse was thin and weak.,TCM diagnosis ,Fever (Deficiency of Yuanyang and Deficiency of Qi and Yin),Western medicine diagnosis ,Adult onset Still disease,Therapeutic methods ,In the early stage, oral administration of traditional Chinese medicine combined with hormone therapy, gradually reduce the hormone, the use of pure Chinese medicine to help Yang-energy, protect Yin-fluid treatment.,Clinical outcomes ,After more than three months of treatment, the body temperature remained normal, and no recurrence was found after six months of follow-up,.