Given the importance of the civil liability of the State for the mistakes of its employees, it has dealt with the study of the legal basis for this responsibility, explaining the theories that have been said on this subject and by discussing as well as the conditions that must be met to achieve this responsibility Conclusion subject of the study means that drive in which the state claimed responsibility for the mistakes of their employees, whether as an original or as a dependency. This thesis had shown several most important results which summarized in the following: - It is required to carry the responsibility of the state, that there is a relationship between them and the actual perpetrator of employee error , meaning that the actual authority of the state in the control and direction of the employee . - The requirement of a link between the employee and the error function, in the sense that the error. may be issued during the employee to perform a function or because of it. - The state responsible to compensate the harm of its employee, both endured compensation permanently or as a dependency.