Tilmisartan as well as valsartan are common sartan-type antihypertensive drugs, and the specific side effects vary from person to person, and have a lot to do with the dosage of the drug as well as the patient’s condition. In terms of type, both Timosartan and Valsartan belong to the Sartan group of antihypertensive drugs, which are not only widely used, but also have good durability and low side effects, and are unlikely to cause great harm to the body. However, since patients’ conditions vary, the side effects that may occur when using these two drugs may differ. 1. Timosartan: the main advantage of this drug is that the lowering of blood pressure is large, long half-life, long-lasting efficacy, is very suitable for patients with hypertension with cardiovascular disease, but due to the lowering of blood pressure effect of the drug is more obvious, the patient after taking the drug may be hypotensive, which may lead to decreased appetite, abdominal pain, diarrhea and other problems, but also some patients will experience varying degrees of body weakness phenomenon. Therefore, patients should always pay attention to monitoring changes in blood pressure. 2. Valsartan: medium intensity of blood pressure reduction, more suitable for patients with hypertension combined with diabetes, nephropathy or simple diabetic nephropathy, can effectively reduce urinary protein. However, frequent use of this drug may cause a burden on the heart, resulting in damage to heart function. In this regard, patients should strictly follow the doctor’s arrangement during the medication and adjust the dosage in time. Timosartan as well as valsartan have different indications, patients should strictly follow the doctor’s arrangement in the process of using, never self-medication.