Risk assessment method is developed on the basis of epidemiological theory of preventive medicine. Personally, it is still problematic to evaluate individual risk with large sample statistical data, with low targeting rate, poor personalization and lack of dynamic changes.

At present, the developing health status assessment uses a large number of physical examination data, combined with lifestyle survey, physical examination, psychological assessment, traditional medical appraisal and other data, through the process of collection, cleaning, integration and standardization, and through professional, scientific, comprehensive and standardized assessment methods, establishes the indicators of human health status assessment, expresses people's current overall health status (including physical, mental and spiritual aspects), and finally establishes a digital human health model.