Exclusive breastfeeding is an effort to obtain optimal growth, as breast milk contains essential nutrients required for the growth and development of infants as well as antibodies for the immune system. This study aimed to explore the strategies of successful exclusive breastfeeding among policewomen in East Nusa Tenggara Regional Police. This was a qualitative study with an explorative design consisting of 10 female police as informants. The result showed that: (1) The informants knew the importance of exclusive breastfeeding for the growth of their children; (2) The informants perceived that occupation was not a barrier to provide exclusive breastfeeding; (3) The informants were adequately exposed to information from mass media related to exclusive breastfeeding; (4) Breastfeeding room was unavailable at the office resulting in their decision to breastfeed at home; (5) Husbands gave support by forbidding their wives to give formula to babies before 6 mo of age; (6) The family provided support to exclusive breastfeeding by taking care of the babies during work time; (7) The chief gave support on exclusive breastfeeding; and (8) The strategy for achieving successful exclusive breastfeeding was originated from the willingness and acceptance of the nature as a woman. Informants had good knowledge, attitudes and information exposure and received support from husbands, families, and supervisors. East Nusa Tenggara Regional Police Office needs to provide breastfeeding rooms to support successful exclusive breastfeeding.