Erythema annulare is a general term for the appearance of annular erythematous skin damage, which is caused by various different causes of dermal inflammatory reaction vasodilatation, congestion and cellular infiltration performance, drugs and a variety of diseases can lead to the production of erythema annulare. The more common forms are vasoneurotic erythema, the cause of which is unknown, and rheumatoid erythema, which is a symptom of rheumatic disease and can also be seen in Still’s disease.