Abstract: The objective is to address the human-computer interaction problems presented by the exoskeleton of lower limb rehabilitation after rehabilitation training,this article analyzes the advantages and disadvantages of different types of exoskeletons at home and abroad with regard to human-computer interaction.A systemic interactive classification system is proposed for the "man-machine environment" based on user satisfaction.This system takes comprehensive account of user satisfaction, convenience, usability of the devices, environmental compatibility and other aspects, and supplements the human-computer interaction evaluation system of lower limb rehabilitation exoskeleton.Finally, the completeness and feasibility of the theory are verified using human-machine simulation software.