A neonatal nurse's function at the Neonatal Intensive Care Unit (NICU) is crucial in caring for preterm and critically unwell infants. These skilled nurses are essential in delivering comprehensive and compassionate care to the most vulnerable and delicate infants. Their responsibilities include a wide range of actions and abilities that are specifically suited to address the needs of preterm and critically ill neonates. In this paper, I will look at the various roles of neonatal nurses in the NICU. Neonatal nurses are in charge of regularly monitoring the vital signs and overall condition of preterm and severely unwell neonates. Breathing patterns, heart rate, temperature, and neurological condition are all evaluated. They are trained to notice and respond to any indicators of distress or deterioration. Collaboration in Care: Neonatal nurses collaborate closely with a multidisciplinary team of healthcare specialists, including neonatologists, pediatricians, respiratory therapists, and others. They actively participate in care planning, discuss the infant's growth, and provide important insights on overall treatment and care techniques. They perform specialized procedures such as placing and monitoring intravenous lines, administering medications, feeding via nasogastric tubes or specialized feeding methods, and providing respiratory support such as administering oxygen therapy or managing ventilator settings. Support and Education for Families: Neonatal nurses perform an important role in supporting and educating families. They offer advice on newborn care, developmental needs, and emotional support to parents during what can be a very stressful and uncertain period. They help train parents how to care for their infant once they leave the NICU. Infant Advocacy: Neonatal nurses advocate for the needs of the infants under their care. They guarantee that the babies receive the proper degree of care and communicate the infant's needs to the healthcare staff and family. Emotional Support: These nurses provide emotional support to both families and infants. Their loving attention and soothing touch can make a big difference in the infant's development and well-being. Decision-Making and crucial Thinking: Neonatal nurses must make crucial decisions in quickly changing conditions. Their capacity to think critically and act quickly is crucial in providing the best care possible for these vulnerable infants. They engage in constant learning and training to stay up to date on the newest breakthroughs and best practices in newborn care. This is critical for treating newborns in the NICU with evidence-based and creative care. Finally, neonatal nurses have a vital and diverse role in the care of preterm and severely unwell infants in the NICU. Their knowledge, compassion, and commitment are critical in providing specialized care, support, and advocacy for these vulnerable newborns and families. The care given by neonatal nurses has a profound impact on the health and well-being of these vulnerable infants in the NICU.