Abstract: Big data poses challenges to the speech right construction of Marxism sinicization. Constructing the discourse corpus of Marxism sinicization with corpus technology can promote the professional processing level of sinicized Marxism discourse data and become the leader power of sinicized Marxism discourse in the era of large data. Corpus linguistics and computational linguistics together constitute the methodology foundation of the corpus construction of sinicized Marxism discourse, and authenticity, universality, representativeness and historicity are the basic principles for the construction. The logic of the construction consists of the design and planning of the project, the collection and sampling of corpus, the annotation and indexing of corpus, the retrieval and couting of corpus, and the network resource sharing platform construction.

Key words: Marxism sinicization, discourse system, corpus