Abstract: Abstract: Most of the world's leading port cities have experienced the rise and the decline due to the port, Hamburg is a model of the successful transitions. This paper constructs an analysis framework on Industry - Space - System co-evolution of Hamburg urban transformation and the study reveals: Hamburg transformated tightly around the harbor function and the port area; urban industrial transformation requires support of space carrier and security of policy and coordination mechanisms; to upgrade traditional industries, implement sustainable spatial development plans, make systematic and coordinated policy is important for urban transformation. At last, we draw some experiences and inspirations from Hamburg to serve the urban transformation of China.