Dermatomyositis can appear in young children with typical symptoms such as dry skin lesions accompanied by itching. The disease has a great impact on the health and development of children, so it needs to be treated early and actively.

Typical symptoms of atopic dermatitis in adults are lichenified hyperplastic patches on the skin surface, often accompanied by dry skin and severe itching. Adults with atopic dermatitis are often bothered by the disease because it is easy to relapse, greatly affecting aesthetics.