The purposes of this study are to explore the effects of Customer Value and Consciousness for sustainable consumption on sharing economy Customer Engagement and to examine the mediating effects of Consciousness for sustainable consumption in the relationships between Customer Value and Customer Engagement. The research object selects Airbnb users and adopts the research method of a questionnaire survey. The results (N=566) showed that Customer Value and Consciousness of sustainable consumption, had significant influences on Customer Engagement, while Consciousness of sustainable consumption partially mediated the above-mentioned influences. In the academic field, this study contributes to the application of Consciousness for sustainable consumption theory on sharing economy Customer Engagement. It also provides suggestions for corporates to develop effective Platform marketing strategies managerially.