The common problem of breastfeeding is insufficient milk supply in early postpartum period. It is also one of the reasons of the early termination of breastfeeding. The timing of onset of lactation and breastfeeding pattern of small amount with more frequency are the major factors of the mother's perceived insufficient milk supply. Medicalization of breastfeeding environment is indirect factors of the mother's perceived insufficient milk supply. The purpose of the article is to describe the mechanism of the insufficient milk supply and to discuss how the interventions effect on mother's perceived insufficient milk supply in clinical practice. Moreover, the aim of the article is to provide applicable teaching materials of breastfeeding for the medical staffs to convince the mothers to believe themselves have enough milk and to continue breastfeeding. Indeed, the hospital should create the environment of mother-infant breastfeeding dance to increase the quality of Taiwanese Baby-Friendly Hospital.