Sponsored by International Association for China Planning(IACP), UPSC, Wuhan University and Wuhan Land Resources and Planning Bureau, 6th IACP Conference was held in Wuhan in November 2012. The theme was China’s Urbanization in Transformation: Challenges and Opportunities. More than 200 people attended the conference. The conference papers are about urban planning theories and history, urban economics, housing and community, environment planning, land use policies, transportation planning, urban development and so on.