Objective: The objective of this article is to review the gait analysis of various ankle-foot exoskeletons by different techniques. Overview: Gait exploration, the methodical learning of striding, is a domain that has been deliberated over 90 years. With automation and research-based improvements over the previous decade, there has been significant enhancement in our perception of the mechanics of strolling of human. Especially salient features have been the development in discrimination of the dissimilarity among standard and morbid gait. Conclusion: This may assist Ankle –foot Exoskeleton also Orthopedics physician in superior perception, the procedures and synonym of gait perceptive the proclamations that generally materialize in the Ankle –foot Exoskeleton also ankle operation compositions. Summary: An intention of this paper is to appraise the postulates of gait investigation, with a certain focal point on the fundamental techniques and field science. A systematic appraise of ankle-foot striding experience have been gathered and furnished a summary for future works.