The study aims to identify the real causes of psychological violence against hospital medical personnel and various health centers in the state of TiziOuzou. The researcher used the prescriptive curriculum and the application of the form as a tool to collect data on a sample of 100 employees (GPs, biologists, nurses, security agents). The study found the following findings: 1- There is a high degree of psychological violence in the health sector. 2- There is a high degree of psychological violence on medical personnel in the health sector. 3- There are statistically significant differences in the causes of psychological violence in the health sector attributable to the changing nature of the profession in favour of the category (GPs).