With the rapid development of society and economy, factors affecting exoskeleton are becoming increasingly complex.Without systematic ideas, it is always difficult to quickly, comprehensively and accurately grasp the design objects and objectives by designers intuition and experience alone, which will result in errors and loopholes and cause irreparable economic loss.The essence of design is to create products, and the premise is the grasp of the target and understanding of the relevant key factors, so systematic design on exoskeleton is of great practical significance.In this paper, the systematic elements of exoskeleton are divided into the basic system and the macro system, which are respectively analyzed and designed.