To determine if electrical stimulation on acupoints has any effect on hypertensive subjects.

All subjects will be assigned into control and experimental groups by a random table. The first 40 numbers in the first row will be used for the study. Subjects assigned with an odd number will be divided into the control group.

ROLE OF SUBJECTS Subjects in the experimental will receive Hans treatment for hypertension. No invasive procedures will be used for subjects in either the control and experimental groups.

This randomized controlled study will recruit hypertensive subjects into control and experimental groups using a random table. Only the subjects in the experimental group use Hans stimulation as a treatment for high blood pressure. The treatment regiment is discussed in the Treatment section in detail. The subjects in the control group will not

Inclusion Criteria:

• Diagnosis of mild hypertension (160-140/100-90 mmHg), male and female subjects with any racial background will be invited to participate in the study.
• All adult age groups are included in the study.
• Subjects must sign an informed consent form.

Exclusion Criteria:

• Diagnosis of severe hypertension (200-161/120-101 mmHg), limited physical activity, heart failure, kidney diseases and mental diseases are excluded in the study. A questionnaire will be used in the initial patient screening.