The UNNES-TEFLIN National Conference is a national conference organized by the English Department, Faculty of Languages and Arts, Universitas Negeri Semarang (UNNES) in collaboration with the Central Java TEFLIN (the Association for the Teaching of English as a Foreign Language in Indonesia). With the emergency nature of learning due to the post pandemic, the UNNES-TEFLIN National Conference 2024 focuses on the challenge of Second or Foreign Language (L2) teaching. Approaches, theories, and practices toward English education, teaching and learning which have evolved over the past decades create the ideas of this inspiring conference to be held.