"Performance"abandons role-playing by the self-presentation of the performer's physical behavior,making the audience's live experience no longer the internal psychological feelings in the"stimulus-response"mode,but a physical action based on physical feelings.From the perspective of atmospheric aesthetics,the audience's physical sensation is actually the affective response of the audience's body to the performance space.The performance and the audience's participation are in the same affective space as the embodied performance and embodied participation.Therefore,the audience's perception in the performance art scene is not a semiotic interpretation of meaning,but an"intermediary experience"in the affective space,and its aesthetic mechanism can be attributed to the physical"co-existence-intermediary-co-performance".