Nowadays, the subway spaces usually combine visual sense with auditory sense organs together to do orientation. From the universal design point of view, the article pointed that we should put more attention to the audio oriented message’ transition. In the meantime, the author proposed that each critical area should use sound symbols classification through analyzing on the perceptive characteristics of auditory sense combined with emotional semantics. In addition, this article gave some ideas on the establishment the audio oriented system in subway space and looked forward to its future. The audio oriented method is a beneficial supplement to the visual identity system that especially can provide the disabled person with more ways to get oriented information.