This study was motivated by the low level of awareness among visitors regarding the proper disposal of used tableware in food court areas across Surabaya during a hashtag-based social campaign. The study aims to analyze how the #TumpukDiTengah hashtag phenomenon is understood and interpreted, as well as its impact on visitors’ hygiene behavior in public spaces. The method applied is qualitative with Edmund Husserl’s phenomenological approach, using bracketing, intentionality, and phenomenological reduction techniques based on in-depth interview data from six informants. The research findings reveal that the act of stacking used tableware is not viewed as a formal obligation, but rather as a manifestation of social awareness triggered by empathy toward servers, personal experiences, and early family upbringing. The hashtag #TumpukDiTengah serves to reinforce an already ingrained habit, rather than entirely creating new behavior. The study’s conclusion emphasizes the importance of integrating digital campaigns with the provision of adequate infrastructure. The #TumpukDiTengah behavior is expected to mark the beginning of the formation of a more comprehensive collective awareness within the food court environment in the city of Surabaya.
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