Proper diagnosis and treatment is not only an economic behavior,but a humanistic attitude. The core idea of proper diagnosis and treatment is:to conduct reasonable control of medical service border on the basis of showing respect to value and dignity of life,and of achieving balance between sense and morality of technology,by means of the interactional management between patient sensibility and medical support,so as to guarantee the realization of highly effective universal medical care assurance under the current condition of limited medical source.