Carry out health risk assessment and health assessment, and quantitatively evaluate personal health status and future risk of illness or death through mathematical models according to the collected personal health information. Its main purpose is to help individuals fully understand health risks, encourage and help people to correct unhealthy behaviors and habits, formulate personalized health intervention measures and evaluate their effects. On the basis of health risk assessment, make health plans for individuals and groups. Personalized health management plan is the key to identify and effectively control individual health risk factors. Pay attention to those indicators that can be changed or controlled, put forward the goals of health improvement, and provide action guides and related health improvement modules.