This document discusses the advantages and disadvantages of computer-assisted instruction (CAI) in English teaching. It outlines several key advantages of CAI, including that it can optimize classroom structure, is convenient for interactive learning, and allows for online sharing of teaching resources. However, it also notes some disadvantages, such as CAI sometimes being overused as a stimulus tool, emphasizing the computer over the student, and not addressing students' specific learning difficulties. Overall, the document examines how CAI can both improve and pose challenges to English education.