RESEARCH OBJECTIVE: The aim of this bachelor thesis is to present the treatment and care for patients with eating disorder in the process of health care and nursing care. Nursing procedures and methods of admitting a patient to the hospital, planning patient care, and implementing and evaluating nursing care for a patient with an eating disorder will be presented. The case report will describe and analyze in detail the case of a patient with an eating disorder, including the medical history, clinical picture and course of treatment in the form of nursing diagnosis and health care. DISCUSSION: Patient N. N. was admitted to the Psychiatry Clinic of the Split Clinical Hospital Center due to suicidal thoughts and eating disorder with the leading diagnosis under F 50.01 (anorexia nervosa). Two years ago, she started with a gradual caloric reduction in order to lose body weight. Over time, she loses more and more weight, before arriving at the hospital BW 43 kg and BH 167 cm. The case report identified the patient's ongoing problems and identified nursing diagnoses for the purpose of ensuring quality nursing care. CONCLUSION: Eating disorders, such as anorexia nervosa, are often the result of a combination of biological, psychological and social factors. Effective treatment of eating disorders requires an integrated approach that includes medical, psychological and nutritional support. It is precisely the role of the nurse in recovery that can significantly contribute to better quality treatment. With her attitude through empathy and support and above all professional supervision of the recovery process, the nurse represents a person who, with her competences, makes health care adequate.