From the perspective of the Third Space Theory（ TST）, this study exploreseighteen international students＇ experiences and perceptions of their intercultural interactionson a university campus in Shanghai, the People＇s Repulic of China （PR C ）. The study em-ploys an open -ended questionnaire and two focus group interviews to collect qualitative da-ta. The research findings reveal that participants make creative use of their third space to dif-ferent degrees and in certain forms. Furthermore, the research findings identify several factorsinfluendng their intercultural growth, including the lack of meaningful learning in intercultur-al interaction and students＇ discrepant motives. The conclusion supports the claim that to bet-ter improve international students＇ intercultural competence, it is of great importance for bothstudents and faculty members to co -develop intercultural awareness and skills.