The health care cause is a system of multiple administrative levels, and it is the intrinsic demands of scientific and rational policies that the health care areas should be evaluated and appraised at macro, submacro, and micro levels.

• 医疗卫生事业是个多层次的大系统，对于医疗保健领域的宏观、亚宏观、微观各层次进行系统的评估、评价是政策科学性、合理性的内在要求。