One year old baby scalp ringworm has the following possibilities: the first case is ringworm of the head, is caused by fungal infection, in the treatment of the need to check the fungal laboratory, if it is positive, it is considered to be ringworm of the head, need to shave the affected area of the hair, and the topical use of terbinafine hydrochloride gel or naftifine ketoconazole gel. The second case is seborrheic dermatitis, seborrheic dermatitis is mainly caused by allergies, in the clinic is mostly accompanied by erythema, flaking, itching, you can orally take diclofenac tadalafil or compound glycyrrhizin tablets, 3 times a day, once a tablet, and topical efexa gel. Patients are advised to avoid scratching, and avoid spicy, stimulating food, avoid eating beef and mutton, seafood and other hairy things, prohibit the use of saline, alcohol, vinegar and other scrubbing, prohibit hot water scalding, keep the child sufficient and good sleep.