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Robotics is a field of technology which we meet in physiotherapy in recent years. Retreatment of gait in patients with neurological problems can be done with the assistance of specialized gait machines and their contribution is positive in terms of outcome. The scope of this dissertation is the presentation of results of robotic walking machines in patients with Stroke. It shows new ways of approaching the physiotherapy program to patients with stroke rehabilitation. In the introduction, there is a reference to the Central Nervous System and the way it controls the gait. In the subsequent chapter, there is an analysis of stroke and more specifically, it is mentioned the definition of stroke, its etiology, its diagnosis and its clinical findings. One of its clinical findings stroke is hemiplegia which often affects the functioning of the gait. Subsequently, in order to understand the contribution of robotics to patients with stroke, normal walking, pathological walking and evaluation is presented, which they aim to highlight further the approach of robotic walking machines. Moreover, in the next chapter, conventional methods of treatment are presented following by the reclamation of walking with robotic systems. Additionally, there is a reference to some examples of robotic devices considering their design concepts and functional features. In the last chapter, there is a comparison of research studies in the restoration of walking in patients with stroke with robotic machines. The purpose of literature review is the presentation of articles and surveys of patients with stroke and the effectiveness of the contribution of robotic machines. For the accomplishment of the dissertation, a review of the current literature review and search of articles in PubMed and PEDro search engines was made. Last, the systematic error data evaluation was evaluated by Cochrane.