In the context of the”Belt and Road”initiative

it is particularly important to promote language security strategies and build a political discourse system in China. This study will reveal the explanatory power of metaphor theory in news reports through the comparative analysis of the surface structure and deep structure of political discourse

identify the conceptual metaphors and their embedded deep structure

explore the political motivation and political interests behind the metaphor language

and explore the process of the political subject using different political metaphors to complete the cognitive construction

with a view to guiding the construction of the Chinese political discourse system.