This book systematically elaborates on the development process and innovative achievements of laser cleaning technology, with a particular focus on the evolution of substrate surface morphology and performance during laser cleaning, as well as related control methods and engineering applications. The main innovative works of this book mainly include: an overview of the innovative development of laser cleaning technology, the study of surface morphology and performance evolution after laser cleaning, the technological methods for controlling the surface morphology of substrates after laser cleaning, the latest advancements in the application of laser cleaning technology, and so on. It is a comprehensive summary of the latest global progress in laser cleaning, as well as a presentation of the most recent scientific research from the project team. It plays an innovative and leading role, with significant importance for promoting the leapfrog development and innovation of laser cleaning technology. This book is intended for researchers, graduate students, and engineering professionals engaged in laser processing, materials surface engineering, and related fields.