1.Critical, white coat hypertension

2.Before and after the treatment of hypertension.

3.Hypertension with target organ damage.

4.Observe the efficacy and invalidation of antihypertensive therapy or the occurance with adverse reactions.

5.Secondary hypertension, such as kidney, gestational hypertension, etc.

6.Episodical hypertension such as paroxysmal, nocturnal hypertension.

7.Low blood pressure such as postural, drug-induced hypotension, etc.

8.Agnogenic syncope.

9.Blood pressure fluctuation with specific symptoms such as arrhythmia, myocardial ischemia, nighttime angina and pulmonary edema.

10.Clinical trial compared examination.

11.Physical examination for healthy people.