This article presents the steps of building a Vietnamese economic corpus, describes the corpus after its completion, and initially gives some suggestions for exploiting the corpus in teaching, learning, and researching. The methods used in this study include data collecting, processing, and analysis. The result of this study is a Vietnamese economic corpus consisting of 55,698 sentences, equivalent to 1,754,0659 words stored in the software. The research has a special practical value, providing a Vietnamese financial corpus which can be used in research, teaching, or studying in the current 4.0 technology context.