We report on a 44 year old woman with fever, cutaneous rash, severe sore throat, arthritis, leukocytosis, splenomegaly and liver dysfunction. After exclusion of an infectious or malignant disease, adult onset Still's disease was diagnosed according to the Yamaguchi criteria. Reduction of the initial treatment with corticosteroids after 4 month caused a relapse of disease. Thus methotrexate treatment was started, which resulted in improvement of symptoms and inflammatory activity.