Baby scalp itchy always scratching may be due to parasites parasites, fungal infections, allergic dermatitis and other reasons. 1. Parasite parasites: some children may not do a good job of hair scalp cleaning care, resulting in head lice and other parasites parasites, these parasites may be attached to the scalp, biting the child’s scalp, causing itching. 2. Fungal infection: If the baby has ringworm of the head, it is also possible to cause itching. Because of the skin disease caused by ringworm, the local nerves are more sensitive and may be accompanied by local flaking, causing itching. 3. Allergic dermatitis: the baby may be allergic to certain items, thus leading to local skin capillary dilation, histamine excess and thus cause skin itching, can be away from allergens to alleviate the symptoms. Baby scalp itchy always scratching may also be other causes, if the persistence can not improve the need to early medical examination of the cause, to take targeted treatment.