Objective: The study aims to investigate the clinical features, treatment, blood pressure control and outcomes of hypertension patients managed in the "Hypertension Prevention and Control Initiative in China" project.

Study Type: A national, multicenter, observational, prospective cohort study.

Study Design: The cardinal contents of this registry study are as follows:

Introduce the Digital Information System and train in completing case report forms.

Collect sociodemographic information, lifestyle behaviors, self-reported personal medical history, BP, anthropometric measurements, medication at registration, laboratory investigations of hypertension patients managed in the "Hypertension Prevention and Control Initiative in China" project. Build a baseline database of hypertension patients.

Gather the follow up information including general, clinical, therapeutic, prognostic data of all recruits at 3-month intervals over 2 years and build up the follow-up database.

Data management, quality control and statistic analysis: Digital Information Platform for data capture, document and cloud computing has been built and the investigators will manage and analyze data in align with key indicators. The investigators have invited professional statistic analysts to assist analyzing data and a third party to supervise data quality.

Ethics: The Ethics Committee of Fuwai Hospital approved this study. Informed consents before patient enrollment are required.