Effect of a WeChat Platform-based Management Intervention on Blood Pressure Control

Inclusion Criteria: * Patients aged ≥ 18 years with confirmed diagnosis of hypertension * Office systolic blood pressure (SBP)≥140 mmHg and/or diastolic blood pressure (DBP)≥90 mmHg, or ambulatory blood pressure monitoring (ABPM) indicating 24- hour SBP ≥130 mmHg and/or DBP ≥80 mmHg and/or daytime SBP ≥135 mmHg and/or DBP ≥85 mmHg and/or nocturnal SBP ≥120 mmHg and/or DBP ≥70 mmHg. * Patients have smart phone and often use WeChat to communicate with others (including written interaction) * Patients are willing and able to give informed consent for participation in the trial Exclusion Criteria: * Secondary hypertension * Hypertensive emergency: defined as severe elevations in BP (SBP ≥180 mmHg and/or DBP≥120mmHg) associated with evidence of new or worsening target organ damage, including hypertensive encephalopathy, intracranial hemorrhage, cerebral hemorrhage, subarachnoid hemorrhage, cerebral infarction, heart failure, acute coronary syndrome (unstable angina, acute myocardial infarction), aortic dissection, perioperative hypertension, preeclampsia, and eclampsia * Refractory hypertension: defined as failure to control BP despite lifestyle changes and use of at least 5 antihypertensive agents of different classes, including a thiazide-type diuretic and a mineralocorticoid receptor antagonist * Pregnancy or lactation or having pregnancy plan during the study period * Life expectancy less than 1 year * Participation in another clinical study or clinical trial in the 3 months prior to the confirmation of eligibility or current user of WeChat platform provided by hypertension center of the first affiliated hospital of Wenzhou medical university