The 17-year-old seborrheic hair loss is serious and can be treated with oral medication, topical medication and surgery. 1. Oral medication: patients can take finasteride, spironolactone and other drugs as prescribed by the doctor, which can antagonize androgens and relieve the symptoms of seborrheic hair loss. 2. Topical medication: patients can also use ketoconazole lotion and other drugs to clean the scalp under the guidance of the doctor, which can inhibit oil secretion and remove dandruff, and has a certain auxiliary effect on seborrheic alopecia; it can also be used with the topical minoxidil application, which has the effect of expanding the blood vessels around the hairs, and stimulates the growth of the hairs of seborrheic alopecia patients. 3. Surgery: After the hair loss symptoms are effectively controlled through the above methods, patients can go to regular hospitals for hair follicle transplantation, which mainly involves extracting healthy hair follicles from hairy places and transplanting them to the parts with sparse hair, so as to effectively improve hair loss. The 17-year-old seborrheic hair loss serious recommended timely to the hospital, under the guidance of the doctor active treatment, do not self-medication, in order to avoid adverse reactions.