This book offers a comprehensive, up-to-date review of the recent professional developments of teachers of English in the western region of China in the context of English language teaching reform and teacher education reform. It discusses a wealth of theories, frameworks, qualitative case studies and quantitative investigations, while also covering a range of key practices that are indispensable. It equips readers with an in-depth understanding of the impact of the current curriculum reform on the promotion of teachers' cognition, emotions, attitudes and awareness of their self-development, as well as teachers' corresponding efforts to update their educational concepts, reassess their teacher roles, enhance their teaching skills, and implement new approaches to their professional development. It is a valuable resource for anyone pursuing research in this field as well as in-service teachers, teacher educators and education administrators. And as it offers practical help for the potential difficulties and challenges they might encounter, it is also a must-read for the student teachers of English.