This book provides detailed advancement endoscopy procedures of hip and knee. It covers basic knowledge of procures and dedicated introduction of surgical techniques for disease management. Endoscopic procedures with their advantage in surgical exposure and post-operative rehabilitation have been extensively performed in orthopedic diseases. Cases presentation with well-illustrated arthroscopic and endoscopic photos for common clinical conditions was provided. The format is a step-by-step procedure for easy reference, particularly for surgeons in their training.