17-year-old high blood pressure check 24-hour blood pressure monitoring, adrenal CT, renal vascular ultrasound, blood pressure 5, thyroid function, blood lipids and other tests to clarify primary or secondary hypertension. Elevated blood pressure can be divided into primary hypertension and secondary hypertension, 17-year-old high blood pressure need to first rule out secondary factors, such as adrenal adenoma, pheochromocytoma, primary aldosteronism, hyperthyroidism and other diseases can be secondary cause of elevated blood pressure. If the primary blood pressure is elevated need to monitor 24 hours dynamic blood pressure, clear blood pressure distribution, check blood routine, blood lipids, carotid ultrasound, cardiac ultrasound, craniocerebral ct, etc. to assess whether there is hypertensive target organ damage. The appearance of 17-year-old high blood pressure need to go to the hospital for exhaustive examination, to clarify the cause of the disease, to be treated.