Baldness on the top of the head of girls may be caused by seborrheic alopecia, androgenetic alopecia or spot baldness, etc., and the patient can be treated by medication under the guidance of the doctor. 1. Seborrheic alopecia: Seborrheic alopecia is usually associated with exuberant oil secretion and the reproduction of Malassezia, and can be treated with ketoconazole shampoo and oral B vitamins. 2. Androgenetic alopecia: Female androgenetic alopecia may be related to the increase of free testosterone and the decrease of sex hormone binding protein. Treatment can be improved by taking oral cyproterone and spironolactone. 3. Patchy baldness: the formation of patchy baldness is generally related to the patient’s mental factors, immunity decline and so on. In the treatment, 2% Minoxidil can be used externally. For girls with baldness on the top of the head, it is recommended to go to regular hospitals in time and under the guidance of professional doctors for standardized treatment.