This paper retrospects the high-altitude full pressure suit in early technical validation, describes the development and evolution characteristics of the high-altitude flight full pressure suit, and summarizes the structure realization forms. Besides, the critical technical problems, i.e., low-pressure protection, thermal protection and operational ergonomics in the design process of the high-altitude full-pressure suit, are analyzed. Finally, the development of full pressure suit is prospected. It is considered that the manufacturing technique, advanced materials and new suits structure should be further studied in the future, and a standardized, lightweight, flexible and comfortable high-altitude full pressure suit should be designed.

full pressure suit  /  air-locked helmet  /  suborbital flight  /  pilot