The difference between ringworm and eczema lies in the differences in etiology, clinical symptoms and treatment. 1. Etiology: ringworm is called dermatophytosis, an infectious skin disease caused by infected fungi. Eczema is an allergic, inflammatory skin disease caused by a variety of factors. 2. Clinical symptoms: ringworm can occur throughout the body, named according to the site. Different parts of the body have different clinical manifestations. Ringworm of the head has white ringworm, pus ringworm and so on, part of the ringworm of the head can cause hair loss. Ringworm of the hands and feet, manifested as blisters, dandruff, maceration, vesicles and so on. There are also onychomycosis, tinea corporis, etc. Eczema lesions are mostly symmetrically distributed, variable in shape, intensely itchy, with oozing, can be repeated, easy to become chronic. 3. Treatment principle: the treatment of ringworm is to use antifungal drug treatment, such as external ketoconazole ointment. The treatment of eczema needs to find the triggering factors, avoid all kinds of external stimuli, can use anti-allergic drugs, such as loratadine. Topical glucocorticoids such as fluticasone propionate ointment can be used. Ringworm and eczema need to be diagnosed and treated under the guidance of a physician.