当前中国经济对海洋资源、空间的依赖程度逐步提高，在管辖海域外的海洋权益也需要不断加以维护和拓展，这些都需要通过建设海洋强国加以保障。跨海通道建设能够显著提升沿海地区一体化水平，是建设海洋强国的重要环节。本文立足当前建设海洋强国国家战略背景，在分析海洋强国的战略内涵以及海洋强国与跨海通道建设关系的基础上，探讨当前建设海洋强国战略背景下中国跨海通道建设面临的问题及战略路径。

Nowadays, Chinese economy has become into an export-oriented one with dramatic increase in dependency of marine resources and space and with extension of maritime rights and interests beyond jurisdictional sea. All these need maritime power construction to get guarantee. Because cross-sea channel, as an important factor in maritime power strategy, can promote integration of coastal areas, the paper analyzes the construction demand and route for cross-sea channels in China based on the maritime power strategy and analysis of the relationship between maritime power and cross-sea channel, so as to provide a theoretic pillar for the maritime power strategy and cross-sea channel constructions.