This final paper will outline the clinical nutrition and the importance of nursing care in the application of the same in surgical patients. Adequate intake of nutrients will achieve balance in the body that allows normal functioning of all vital functions. By contrast, unbalanced diet leads to malnutrition, which at surgical patients greatly complicates the postoperative course of recovery. The doctor is the one who order type of clinical nutrition individually to each patient and nurses are the ones who perform the full health care that includes the implementation and regular control the flow of food and to detect possible complications. The aim of this final paper is to raise awareness of nurses about malnutrition at patients as one of the serious problems of today, about the importance of their education in clinical nutrition and its application as well as their role in nutritional care. It is important to raise awareness of nurses about malnutrition as a big problem today and the importance of correct application of clinical nutrition and conduct constant education. They are the ones who achieve first contact and spend the most time with the patient. The acquisition of knowledge and the right skillsbased on best practice which specifies the role of nurses in the care food will help in improving the nutritional status of patients, nutritional care and improve clinical outcomes.