The emergence of the Psychosocial Care Network allowed general hospitals to become doors for psychiatric emergencies in Brazil. However, there are still obstacles in the provision of care to patients in psychiatric settings, with a dehumanized approach by part and of professionals working in emergency services of general hospitals. The study aimed to analyze the knowledge of nurses working in the emergencies of general hospitals about evaluation and conduct in psychiatric emergencies. The years 2010 and 2019 concentrated the largest number of publications with predominance of descriptive publications with a qualitative approach. The nurses had little knowledge about the approach to patients in psychiatric crisis in emergencies. It was confirmed the need for training and sensitization of professionals working in general hospitals to change 2