To stick to the philosophy of humanistic government management and notion of scientific development based on social-economic and sustainable development is a fundamental requirement for government management innovation. The function issue is the key of government management innovation, which must rely on function transform. It requires that government should fulfill its function, value the public interest as well as focus attention on economic development, reconcile the relationship between government and society, strengthen the government's social management and public service function, innovate the government operational mechanism, and realize the scientific and democratic decision-making mechanism.