iarjelIARJELIARJEL2708-5120https://doi.org/10.47310/iajel.2023.v04i01.012The Realization of Interpersonal Function in Political Speech DiscourseYanChuLeiDengPolitical speech is an effective means of promoting international communication. The interpersonal function is one of the meta-functions of Halliday’s Systemic Functional linguistics. Based on the theory of interpersonal function, with LancsBox6.0 as a research tool, this research analyzes the use of modal verbs and personal pronouns in political discourse with the keynote speech by Xi Jinping at the Opening Ceremony of the Boao Forum for Asia Annual Conference 2022 as a corpus. The results show that in political discourse, speakers often use a declarative mood to convey information. In terms of modality, speakers mostly use median and high-value modal verbs. In terms of personal pronouns, the first person and the third person are often adopted. In the context of century-change, international communications including political communications are of particularly great importance. Therefore, figuring out the interpersonal meaning in the political speech discourse is necessary and significant.