Introduction: When evaluating the neurocognitive development of babies exclusively fed with human milk in relation to substitutes, it is found that the neurobehavioral development of children fed exclusively to the breast is superior. Objective: to determine the relationship between the type of feeding of the infants and the age of crawling, in the unit of immediate medical attention of pediatric patients of the Hospital Julio Criollo Rivas. October 2018 - February 2019. Ciudad Bolívar, Bolívar State. Methodology: was a field study, cross-sectional, analytical, non-experimental comparative cases and controls, consisting of 30% of apparently healthy younger infants between 5 months and 1 year of age, who consume exclusive breastfeeding and artificial lactation, attended in the immediate medical care unit of the "Julio Criollo Rivas" hospital in Ciudad Bolívar, Bolívar state. Results: it was obtained that of 43 patients who received breastfeeding exclusive until 6 months, 51.16% (n = 22), acquired the ability to crawl at 7 months, and of 157 patients who had early ablation only 32.48% (n = 51) acquired the ability to I crawl at 7 months. Conclusions: there is an influence of breastfeeding in the acquisition of the ability to crawl, observing precocious acquisition of it in the group that received exclusive breastfeeding until 6 months of age.