The harmony of man with nature is the comprehensive consistency between the human life and nature rules.In this paper,we utilized the cybernetics theory to analyze the human life process.Combining the informatics and the Traditional Chinese Medical theory,we carried out analytical theory deviation and create the structural information model of a human body.We aimed at interpreting how the consciousness controls human body by information,the importance of the information to the human microcirculation and immunity,why the Traditional Chinese Medical theory is the science that represents the human healthy rules in a nature style and the relationship between mental and body health.