Children with ringworm-like white dandruff on the head may be caused by eczema, tinea capitis, etc., and can be improved with general care and topical medication. 1. Eczema: eczema usually manifests itself first in the facial area, and some children with severe eczema will develop scalp eczema, usually pay attention to scalp cleanliness and cleansing, eat a light diet, etc., and if necessary, you can consider using weak glucocorticosteroids, such as dexamethasone cream topical application. 2. Tinea capitis: the typical performance of the head long ringworm-like white dandruff, accompanied by itching. Medications such as terbinafine spray can be used to improve the symptoms. Children’s head long ringworm-like white dandruff may also be psoriasis and other diseases, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment. The use of medication should follow the doctor’s instructions.