Background: Breastfeeding's advantages are well-known, yet the percentage of women who choose to breastfeed has been stagnant for decades. Providing neonates with the nutrition they need to grow and develop normally requires breastfeeding. Aim and objectives; to know how common breastfeeding myths among women in the child-bearing age in Derna City are. Subjects and methods: This cross-sectional study was conducted in Derna City in the north-eastern part of Libya, the objective was to know how common breastfeeding myths among women are in the child-bearing age in this city. The participants in this studycomprised 1000 women in childbearing age. Result: 72.8% of the participants had information about breastfeeding and the most frequent source of information was family (64.7%). Meanwhile, 87% of the participants had children. Conclusion: Women in Derna City in the north-eastern part of Libya have many breastfeeding myths, which can lead to discontinuation of breastfeeding. Our study emphasizes the importance of supporting and educating family members and society as a whole, rather than simply mothers, because everyone, whether directly or indirectly, influences a mother's decision to breastfeed.