Current research on SHRM (Strategic Human Resource Management) does not concern about how strategy forms. This paper classifies strategic logics and proposes the logic preposition of SHRM. It studies strategic formation and evolution, analyzes the organizational process of variationselectioncontention and people related factors and derive how SHRM influences strategic formation. Finally, it classifies SHRM activities into information management process and work management process, proposing that the ultimate outcome of SHRM is to produce organizational capacity useful for strategic formation.