The white dandruff-like stuff on the head may be a normal metabolic product, or it may be caused by pathological factors such as ringworm and seborrheic dermatitis, which need to be specifically analyzed. 1. Normal metabolism products: scalp metabolism is usually more vigorous, the appearance of white dandruff-like material may be a normal physiological phenomenon, is the shedding of epidermal cells, at this time do not need to worry too much. 2. Pathological factors: (1) ringworm of the head: the disease is caused by contact with pathogenic dermatophytes, often in the scalp area of red spots, scales, etc., and may be accompanied by varying degrees of hair loss and itching symptoms. (2) seborrheic dermatitis: the cause of seborrheic dermatitis is not yet clear, it may be related to Malassezia infection, personal skin type, dietary habits, etc. The patient manifests greasy scales on the scalp, accompanied by itchiness, unclear borders, and in severe cases, there are oozing and crusting. Patients with white dandruff like things on the head may also be other reasons, it is recommended to go to the hospital for a clear diagnosis, symptomatic treatment. Usually pay attention to more rest, keep the scalp clean.