Abstract: Recently,augmented reality has continuously developed in the military,education, medical and entertainment field,and its basic principle is to combine the virtual model and actual environment,in order to enhance user's perception of the real world. Augmented reality shows unique superiority in every fields, especially in medical field, it provides new approach for the safety and accuracy of the procedures. The literature of augmented reality that published in domestic and abroad were reviewed and summarized.

Key words: Augmented reality, Navigation, Surgery, Registration