Abstract: Due to the lack of effective support to breastfeeding in the workplace, working mothers generally have premature weaning, and support to breastfeeding in the workplace needs to be improved. At present, there is a lack of tools to assess breastfeeding support in the workplace. This article reviews the existing assessment tools for breastfeeding support in the workplace in foreign countries, in order to provide a reference for exploring suitable assessment tools for breastfeeding support in the workplace in China.