This guideline examines the evidence and makes recommendations and remarks on the implementation of some of the details of breastfeeding counselling, such as frequency, timing, mode and provider of breastfeeding counselling, to improve breastfeeding practices. The objective of this guideline is to provide global, evidence-informed recommendations on breastfeeding counselling, as a public health intervention, to improve breastfeeding practices among pregnant women and mothers who intend to breastfeed, or are currently breastfeeding, and their infants and children.