The content of this book mainly includes the working principle and structure of ordinary lathes, processing methods, commonly used tools, cutting knowledge, use of measuring tools, measurement methods, surface roughness, common calculations for lathes, typical workpiece processing, etc. Several important chapters are followed by corresponding frequently asked questions and processing methods. This book is suitable for students in electromechanical, mechanical manufacturing and other related majors to train and practice lathe skills. It is also suitable for people who are interested in lathe technology and skills. At the same time, it focuses on the examination questions for intermediate and advanced lathe workers, and participates in the compilation of reference materials for examination questions and answers. Each chapter of this book is accompanied by a summary, reflection questions and exercises, which not only allow students to consolidate the knowledge they have learned, but also expand their horizons.