(This guide book is an auxiliary teaching material for the course "Network Engineering and Integrated Wiring" for the major of computer communication technology, aiming to enable students to acquire necessary practical knowledge and technology. The practical projects listed in this book are based on the syllabus that students should do or choose to do, and part of the content can be read by students to enrich some basic and important concepts of professional knowledge. This book is edited by Dai Xiangyu and reviewed by Director Xie Weihong. During the writing process, it has received strong support from all teachers of the Power Engineering Department of Changsha Electric Power Industry Technology College. I would like to express my gratitude.)