Breast milk dams are breast milk dams due to narrowing of the lactiferous ducts or glands that are not emptied completely or because of abnormalities in the nipples. This study aims to analyze the factors that influence the incidence of breast milk dam. This study uses a literature review study which is a systematic, clear, comprehensive literature study, by identifying, evaluating and collecting existing research data. The literature search was carried out through Google Scholar, Google Scholar, Pubmad with the keywords Factors influencing the incidence of breast milk dams. And used 10 journals, 5 Indonesian journals and 5 international journals in this study. Based on the results of theoretical analysis and the 10 journals, it shows that the factors that influence the incidence of breast milk dam are 1) breastfeeding motivation, 2) breast care 3) nipple condition 4) breastfeeding frequency 5) breastfeeding attachment 6) breastfeeding position 7) breastfeeding technique and 8 ) breast engorgement