This article expounds the concept of transition to motherhood, introduces the related theories of transition to motherhood (including Bridges model of transition, Benner′s novice-to-expert theory and Roy adaptation model), summarizes the present state and influencing factors of transition to motherhood, and discusses the connotation of transition to motherhood among normal pregnant women, pregnant women following assisted reproductive technology, mothers of infants in the NICU, and other special groups, aiming to provide reference for formulating intervention strategies to facilitate women′s transition to motherhood.