Objective: To determine the level of assess knowledge of iron deficiency anemia in mothers of children from 06 to 36 months of Naylamp Hospital, Chiclayo – 2021. Methodology: This research belongs to the quantitative approach; it is a nonexperimental type with a simple descriptive design cross-sectional Study. The data collection technique used was the survey; and its instrument the questionnaire to assess knowledge of iron deficiency anemia in mothers of children from 06 to 36 months. Participants: The sample consisted of 160 mothers of children from 06 to 36 months attended in the Program without Anemia of the Naylamp Hospital, Chiclayo 2021 Results: Regarding the variable knowledge about iron deficiency anemia of a total of 100%, 91% of mothers of children from 06 to 36 months do know, while 9% do not know. According to the dimensions, the degree of knowledge about the definition (9...