Valsartan can generally exert antihypertensive effects after two hours of oral intake, and achieve stable antihypertensive effects after 1~2 weeks of oral intake. Valsartan can be absorbed quickly after oral administration, the time to reach the peak is about two hours, so the antihypertensive effect can be exerted after two hours of oral administration, the half-life of the drug is about 9 hours, and the antihypertensive effect of valsartan can last for about 24 hours; oral administration of the drug for 1~2 weeks, it is necessary for the concentration to be stabilized, so that it can exert the antihypertensive effect in a stable manner. The adverse reactions of valsartan include headache, dizziness, abdominal pain, nausea, sore throat, arthralgia, etc. It is forbidden for women who are allergic to the drug components, severely impaired renal function, lactation and pregnancy. Valsartan capsules have a stable antihypertensive effect, and patients with high blood pressure should take the drug under the guidance of a doctor, and should not blindly use the drug on their own.