Valsartan is suitable for high low blood pressure. High low pressure refers to diastolic blood pressure higher than 90mmHg, which also belongs to hypertension. Valsartan is an angiotensin II receptor antagonist, which can block vasoconstriction and reduce sodium retention, thus lowering blood pressure and achieving the purpose of treating high blood pressure, and can be used for patients with high diastolic blood pressure. Valsartan also has the characteristics of improving insulin resistance, reducing urinary protein and delaying ventricular remodeling, which is especially suitable for patients with diabetes mellitus and renal impairment of hypertension. The main adverse effects of valsartan are irritating dry cough and angioedema. It is contraindicated in hyperkalemia, pregnant women and patients with bilateral renal artery stenosis. Patients with high low blood pressure can take valsartan for treatment, drug usage and dosage should follow the doctor’s instructions for implementation, and in the process of using valsartan there is discomfort in time to go to the hospital.