Effect of Acupuncture on Patients With Mild Hypertension

Inclusion Criteria： 1. Patients whose age between 40 and 75 years old, male and female; 2. Patients who meet the diagnostic criteria of mild hypertension according to JNC-7 and China's prevention and cure guide of hypertension. mild hypertension (WHO/ISH criteria stage I) Systolic blood pressure 159≥(SBP) ≥140 and/or diastolic blood pressure 99≥(DBP) ≥90 . 3. Patients who are initially diagnosed as mild hypertension or have been diagnosed as mild hypertension before but have not taken any antihypertensive drugs. 4. Patients who are diagnosed as yue-yin style (yin-deficiency accompany with hyperactivity of yang) or yang-ming style (obstruction of phlegm and dampness) according to meridian syndrome differentiation 5. Patients who have a good understanding of our study. and willing to comply with our study protocol. 6. Informed consent form must be signed by patient or lineal relative. 7. All the tips are matched will be included. Exclusion Criteria: 1. Patients who have been diagnosed as secondary hypertension or malignant hypertension(e.g. Cushing's syndrome, coarctation of the aorta，phaeochromocytoma, renal parenchymal disease，primary aldosteronism， renovascular hypertension, obstructive sleep apnoea，drug induced hypertension et al ) 2. Patients who accompany with other severe medical conditions (e.g. endocrine disorders, cardiovascular disease. Digestive disease. hepatic dysfunction，cerebral vascular disease. renal disease. haematologic disease et al). Who may be not safe to join our study. 3. Patients with a chronic disease which might not suitable for our study. e.g: epilepsy ,severe depression or anxiety (SAS≥70,SDS≥70) ,psychosis, allergic constitution, accompany with any infection. 4. Pregnant women or women in lactation or women of child bearing potential plan to conceive in the recent six months. 5. Patients who currently participate in another clinical trial. 6. Patients who Had been treated with acupuncture during the previous three months 7. If one of the tips mentioned above is matched will be excluded.