A 19-year-old boy with high blood pressure needs to be excluded from secondary hypertension by laboratory tests, blood pressure checks, etc. If it is primary hypertension, general measures as well as medication need to be taken to control the patient’s blood pressure. If it is secondary hypertension, the patient’s blood pressure should be controlled by general measures and medication. If it is secondary hypertension, the patient should be actively treated for the primary disease. 1. General measures: 19-year-old boys with elevated blood pressure should pay attention to improving their living habits, reducing daily sodium intake, and increasing potassium intake appropriately. Attention should be paid to controlling diet, increasing daily exercise and urging weight loss. At the same time, if there is a habit of alcoholism, to quit smoking as soon as possible, to avoid the blood pressure continues to be at a high level. 2. Medication: If the blood pressure is high and cannot be well controlled by the general measures mentioned above, it is necessary to consult a doctor as soon as possible to control the blood pressure through medication. At present, commonly used antihypertensive drugs include beta-blockers such as propranolol and metoprolol, calcium channel blockers such as nifedipine, and so on, which can be chosen under the guidance of doctors according to the actual situation. In case of secondary hypertension such as hypertension caused by adrenal gland diseases, systematic treatment is also needed to address the cause of the disease. If a 19-year-old boy is found to have high blood pressure, he needs to go to the hospital in time and take the next step according to the doctor’s advice to avoid delaying his condition.