This book contains discussions about Critical Thinking can be completed. This book discusses the meaning and essence of critical thinking, the history and development of critical thinking, the character and attitude of a critical thinker, the components of critical thinking, the stages and processes of critical thinking, critical thinking in decision making, critical thinking in reading and writing, critical thinking in communication and discussion, critical thinking in the world of education, critical thinking in the workplace and business, dealing with bias and misinformation, critical thinking in the digital era, the development and learning of critical thinking as well as ethics, empathy, and critical thinking in social decisions This book still has many shortcomings. Therefore, we greatly appreciate criticism and suggestions for its further improvement and perfection. We extend our gratitude to the various parties who have assisted in the completion of this book. We hope this book can serve as a reference source and easy-to-understand literature.