This book provides systematic descriptions of design methods, typical techniques, and validation methods for lunar soft landers, covering their environmental design, system design, sub-system design, assembly, testing and ground test validation based on the Chang'e-3 mission. Offering readers a comprehensive, systematic and in-depth introduction to the technologies used in China's lunar soft landers, it presents detailed information on the design process for Chang'e-3, including methods and techniques that will be invaluable in future extraterrestrial soft lander design. As such, the book offers a unique reference guide for all researchers and professionals working on deep-space missions around the globe. .