This book presents the select proceedings of the 2nd International Conference on Structural Health Monitoring & Engineering Structures (SHM&ES 2021) held at the University of Transport and Communications, Hanoi, Vietnam, during 13-14 December 2021. It covers the recent advances in the fields related to structural health monitoring, damage detection and assessment, non-destructive testing, inverse problems, optimization, artificial neural networks, and evaluation. This book will be useful for researchers and professionals working in the field of health monitoring of engineering structures.