Alisatan ester belongs to the antihypertensive drugs, suitable for the treatment of hypertension with cardiac insufficiency and renal insufficiency patients. Alisatan belongs to the antihypertensive drugs that inhibit angiotensin receptor II receptor, which has a dilating effect on peripheral blood vessels, and at the same time, it can dilate the small glomerular arteries of the kidneys, which has a protective effect on the kidneys, and it can inhibit ventricular remodeling, and it can be used in the treatment of patients with chronic cardiac insufficiency. The main indication of ali-sartan is hypertension, for patients with hypertension accompanied by cardiac and renal insufficiency, ali-sartan can be chosen for treatment, lowering blood pressure and at the same time playing a protective role for the heart and kidneys. Alisartan adverse reactions include flu-like symptoms, nausea, vomiting, constipation, angioedema, dizziness, etc. It is contraindicated for patients who are allergic to the drug components, breastfeeding pregnant women, and patients with severe renal insufficiency. It is recommended to use under the supervision of a physician.