Irbesartan Tablets is a drug for the treatment of essential hypertension, a common middle-aged and elderly cardiovascular disease that damages, first, the heart and blood vessels, and second, the brain and kidneys. It is a long-acting antihypertensive drug, which is an angiotensin II receptor antagonist, with the specifications of 0.15g and 0.3g. It has a fast onset of action and a long duration in the body, with a half-life of about 15h, and 1 time/day is sufficient. Irbesartan tablets are mainly excreted from the biliary tract and a small part from the urine, which has little effect on the kidneys and has a certain protective effect on the kidneys, with relatively few side effects.