Some areas of the head do not grow hair may be due to baldness, androgenetic hair (also known as seborrheic alopecia) and other causes, in the treatment of patients are recommended to clarify the cause of the disease under the guidance of the doctor, through oral medication and topical medication to improve. 1. Patchy baldness: The hair loss area of patients with patchy baldness is usually round or oval, with a smooth surface. Topical glucocorticoid drugs, such as hydrocortisone butyrate and dieldrin cream, can be used in the treatment. 2. Androgenetic alopecia: often accompanied by an increase in sebum, can occur in both sexes, but the etiology, performance and treatment are different. The onset of female hair loss is late, slow and mild. Female patients can take oral cyproterone or spironolactone to improve, male patients can take oral finasteride to improve, and topical minoxidil. With the inhibition of oil secretion drugs, such as selenium disulfide, can also take oral vitamin B6 to regulate oil secretion. For some parts of the scalp does not grow hair patients, it is recommended to go to the regular hospital in a timely manner to clarify the cause of the disease, under the guidance of a professional doctor for symptomatic treatment, do not blindly use their own medication.