The combined ODA has dropped in real terms in 2011. The decrease reflects the fiscal constraints in several DAC countries which have affected their ODA budgets. Specifically，the traditional donor countries have difficulties in scaling up the ODA and the multilateral aid has decreased in last three years，while the emerging economies （especially China） have a substantial increase in aid to Africa. Africa is the key area to achieve the Millennium Development Goals in 2015，but there are great challenges ahead，such as the continuing of the world economic crisis，the rise in energy prices，food security，population growth，climate change risks and so on. In future，the donor countries should fulfill their commitments to increase the ODA，mobilize all the resources to finance the development，strengthen the coordination and work together to push the agenda to achieve the MDGs and sustainable development.