This article explores the application of corpus linguistics to the teaching process. Corpus linguistics is the study of language based on large collections of real-world text, known as corpora. The article discusses how corpus data and analysis can be leveraged to inform curriculum development, material design, and teaching methods in order to better meet the needs of language learners. Key areas covered include corpus-informed vocabulary instruction, grammar teaching, and the use of authentic language samples. The article also addresses challenges and limitations in applying corpus approaches in the classroom. Overall, the paper demonstrates the valuable insights that corpus linguistics can provide to enhance the effectiveness of language teaching.