Alisatan ester alone is used in mild and moderate essential hypertension to lower blood pressure effect is good, but there are individual differences, should be used in accordance with medical advice. Alisatan ester belongs to the angiotensin II receptor antagonist, has the effect of lowering blood pressure. The drug has a long half-life, can be taken once a day, the manual points out that this product treatment for 4 weeks can achieve the maximum effect of lowering blood pressure, clinically used alone in the treatment of mild to moderate essential hypertension, there is a relatively good efficacy, but the efficacy of the disease, the sensitivity of the drug, etc., there are individual differences. Dizziness, headache, elevated blood lipids, elevated transaminases, hypercholesterolemia and other adverse reactions are seen with Alisatan ester. The drug is contraindicated in people who are allergic to the product, in the middle and end stages of pregnancy, and during breastfeeding. The drug should be used rationally under the supervision of a doctor.