Abstract: Purpose: The present study evaluated whether an intervention using a short message service (SMS) by cellular phone and Internet would improve blood pressure, weight control, and serum lipids of obese patients with hypertension during 8 weeks.Methods: This is a quasi-experimental design with pre- and follow-up tests. Participants were recruited from the family medicine outpatient department of tertiary care hospital located in an urban city of South Korea. Twenty-eight patients were assigned to an intervention group and 21 to a control group. The goal of intervention was to bring blood pressure, body weight, and serum lipids levels close to normal ranges. Patients in the intervention group were requested to record their blood pressure and body weight in a weekly web based diary th….