Based on the interpersonal function of Systemic-functional Grammar, this paper analyzes the construction of interpersonal functions in the political discourse of the year 2022 New Year Address in China from the perspectives of personal pronoun, mood and modality. The main objective of this study is to investigate the language features and conventions of the political speech. Therefore, a study of it in the light of Systemic-functional Grammar will help to gain an in-depth understanding of the interpersonal meaning and the thoughts of national leaders in political speeches.