Telmisartan is an angiotensin II receptor antagonist, is a more widely used blood pressure lowering drugs, for this drug, generally daily at a relatively fixed point in time can be taken, can choose the morning fasting, can choose the morning, afternoon or bedtime, the conventional choice of morning fasting to take more, because this drug compliance is better, not easy to forget to take the drug. The requirement of this drug is to take it at a relatively fixed point in time every day, preferably not more than two hours, and to take it in the morning the day before and the day after, so as to achieve a better blood concentration and maintain a relatively stable effect of blood pressure control. In addition, this drug is relatively effective, but the onset of action is slow, if you take 1-2 days, blood pressure is not well controlled, do not be anxious, you can wait 3-5 days and then observe as appropriate.