Baldness on the top of the head can be caused by a variety of reasons, such as baldness, folliculitis, ringworm, etc. The treatment is mainly based on the cause of the disease to choose the appropriate treatment program, usually through the use of topical or oral medication to treat, specific as follows: 1. Patchy baldness: the lesions manifest as round or ovoid non-scarring alopecia, with all or almost all of the hair falling out, known as total baldness. All the hairs (including body hairs) on the whole body are lost, which is called generalized baldness. Commonly used drugs for treatment mainly include 5% minoxidil cream or solvent, or local intradermal injection of hormonal drugs such as trimethoprim, oral vitamin B complex and other drugs. 2. Folliculitis: can also lead to the occurrence of hair loss, generally can be used antibacterial lotion such as selenium disulfide lotion or ketoconazole lotion, topical fusidic acid ointment or clotrimazole ointment and so on. 3. Tinea capitis: due to scalp and hair infection caused by dermatophytes, can make the hair follicle damage, causing hair loss. Commonly used therapeutic drugs are topical bifonazole gel, miconazole ointment, etc., oral itraconazole, terbinafine and other drugs. The appearance of a bald patch on the top of the head, it is recommended to go to the hospital, the drug should be used as prescribed by the doctor.