The training manager's guide of the American Association for Training and Development was published by Astd in August 2008. This is a reference book and action guide, which covers many methods, best practices, processes, theories and other key information of workplace training managers. In this manual, many people who have made achievements in the field of training put forward authoritative and key information-it summarizes and integrates many aspects of today's vast workplace learning and performance fields. This is the source of standard reference guides and practical strategies for defining problems.