Waveguide display technology is a new type of display technology and is important in AR field.At first,the principle,classification and characteristics of waveguide display technology are expounded,the technical characteristics are presented,and the development trend of technology is sorted out.Then,the application status of the technology in the field of airborne Head-Mounted Display (HMD) is summarized.An analysis is made on the advantages and disadvantages of the airborne waveguide HMDs and the challenges of their application.Based on this,the future development direction of promoting waveguide display technology to the airborne field is given and its development prospects are predicted.