Résumé
Prematurity is a common complication in the field of obstetrics. The incidence of prematurity increased yearly. Premature birth occurred in advance trend. Early preterm birth refers to the delivery occurred at 28-31+6 week of gestational age. For unavoidable early preterm birth, the prognoses of mothers and infants have become the focus of perinatal medicine. It is particularly significant to ameliorate the prognoses of mothers and infants. Therefore, this paper mainly reviewed mental and psychological problems, organic complications of mothers with early preterm deliveries，and physical growth, cognition，behaviors，quality of life in early preterm infants at home and abroad, in order to provide a reference for further optimization of their prognosis.