面向２１世纪的中国政策科学必须充分考虑公共部门管理研究（公共管理学）发展的背景与趋势，把它放在公共管理的大视野中加以考虑，这有助于把握政策科学发展的未来取向，拓宽政策科学的研究主题，引入新的研究方法，加快政策科学的知识创新。一、公共政策学的缘起政策科学又? China’s policy science facing the 21st century must give full consideration to the background and trend of the development of public-sector management research (public management science) and consider it in the broad perspective of public administration, which helps to grasp the future orientation of policy science development, Broaden the research topics of policy science, introduce new research methods and accelerate knowledge innovation in policy science. First, the origins of public policy science Policy?