1. Collect and manage health information of individuals or groups;
2. Assessing the health and disease risks of individuals or groups;
3. Health consultation and guidance for individuals or groups;
4. Formulate individual or group health promotion plans;
5. Health maintenance of individuals or groups;
6. Health education and publicity for individuals or groups;
7. Research and development of health management technology;
8. Evaluate the effectiveness of the application of health management technology.