Background/purpose: The study examined the potential benefits and concerns of implementing ChatGPT, an advanced tool of artificial intelligence technology, in the realm of teaching and learning. Materials/methods: A systematic review was conducted, detailing the processes of inclusion and exclusion criteria, selection, data extraction, and analysis to synthesize existing research findings. Results: The integration of ChatGPT into education presents opportunities and challenges, especially in English Language Teaching. It provides benefits such as improved writing support, personalized learning experiences, improved language skills through real-time feedback, and efficient teaching tools that promote engagement and tailored instruction. However, challenges such as data privacy, academic integrity, ethical concerns, limitations in proficiency assessment, and over-dependence on technology must be addressed. To fully utilize the capabilities of ChatGPT, preserve academic integrity, and ensure independent learning, innovation, and legal and ethical safeguards must be balanced. Conclusion: ChatGPT presents transformational opportunities for enhancing educational outcomes, particularly in ELT, by offering innovative and adaptive learning solutions. However, careful implementation strategies are required to address ethical and legal concerns and to ensure its responsible use in educational settings.