The economic situation in Shandong Peninsula and Liaodong Peninsula is in good shape. However, due to geographic restriction, exchanges between the two regions are inconvenient, thereby resource sharing and advantage compensation are affected. This article clarifies the necessity of the cross-sea channel construction between the two peninsulas by analyzing marine resources, marine industry and marine science and technology, then it argues the promoter action of the cross-sea channel in shipbuilding industry, port industry, tourism, coastal city development and scientific and technological talents build-up.

Shandong Peninsula  /  Liaodong Peninsula  /  marine resource  /  marine industry  /  cross-sea channel