Timosartan is used in the treatment of hypertension has good results, but there are individual differences in efficacy, need to follow the doctor’s instructions for medication. The commonly used dosage forms of Timosartan are tablets and capsules. It is an angiotensin II receptor antagonist with blood pressure-lowering effect. It is used for the treatment of essential hypertension in adults. It is indicated for people 55 years of age and older who cannot be treated with angiotensin-converting enzyme inhibitors, and may reduce the risk of cardiovascular disease-induced deaths such as stroke and myocardial infarction. Timosartan adverse reactions can be seen as abdominal pain, dyspepsia, flatulence, diarrhea, vomiting, upper respiratory tract infections, urinary tract infections, anemia, hyperkalemia, depression, insomnia, syncope, vertigo, bradycardia. The drug is contraindicated in people who are allergic to the components of the product, middle and late pregnancy, biliary tract obstructive diseases, and severe hepatic function impairment. The drug should be used rationally under the guidance of a doctor.