Introduction: The nutritional need is high in the newborn (NB), especially in premature infants, and the supply of nutrients is an important factor for survival, as a result of the growth rate. The nutritional therapy used (parenteral and/or enteral) varies according to the gestational age and the follow-up becomes fundamental in the evolution, because the early detection of nutritional insufficiencies allows an adequate intervention. Objective: to analyze feeding practices in newborns admitted to a neonatal intensive care unit, based on the identification of the day of life on which the enteral diet was started, the beginning and the time of use of parenteral nutrition, in addition to describing the exclusive breastfeeding rate at hospital discharge and nutritional status at admission and discharge. Methodology: This is a descriptive, retrospective study, carried out in a Reference Maternity Hospital in the State of Piauí through the analysis of medical records and Quali-Neo records of newborns admitted to the neonatal intensive care unit of the aforementioned maternity hospital during the period from January to December 2020. Results: 161 forms were evaluated, with a predominance of male newborns (60.87%), mean birth weight at admission of 1,711g and at discharge of 2,213g, mean Gestational Age of 32 weeks. Enteral diet was started, on average, on the fifth day of life, the most common was Breast Milk and/or Colostrum. Conclusion: The newborns received an early and adequate enteral diet, presenting weight gain during the period of hospitalization comparable to others hospitals, with human milk being the main caloric supply.