The sores may be caused by infectious and allergic diseases. It is recommended to clarify the diagnosis and give topical application and oral medication for the primary disease. 1. Infectious diseases: sores on the head may be infectious diseases, such as ringworm with black spots, ringworm with pus, ringworm with yellow spots, ringworm with white spots and so on caused by fungal infections. Can be given ketoconazole, miconazole nitrate cream, if necessary, with oral itraconazole, terbinafine hydrochloride and other antifungal drugs treatment. If caused by bacterial infection, give antibiotic drugs, such as erythromycin cream, fusidic acid cream, oral cefadroxil, amoxicillin and other drugs. 2. Allergic skin diseases: allergic skin diseases, such as eczema, contact dermatitis. If eczema is caused, according to the characteristics of the skin lesions can be given boric acid solution wet compresses, glucocorticoid ointment coated, if necessary, combined with oral antihistamine drugs such as loratadine. If the contact dermatitis caused, first need to clarify the causative factors and avoid re-exposure, followed by zinc oxide ointment, hormone ointment, such as mometasone furoate coating, if necessary, oral cetirizine and other antihistamines, prednisone and other hormonal drugs. In addition, seborrheic dermatitis of the scalp can also cause hair growth. For seborrheic dermatitis of the scalp, men can take oral finasteride, women take spironolactone, and apply topical minoxidil tincture, which can promote hair growth. Sores on the head, may be skin-related diseases, resulting in hair loss. It is recommended not to use drugs blindly, you need to go to the hospital dermatology department first, to clarify the cause, combined with the doctor’s advice treatment. Drugs need to be used in accordance with medical advice.