Contrary to the situation before the COVID-19 pandemic, the pandemic has influenced human's well-being in unprecedented ways, especially on international student's mental health across the world. The purpose of this study is to explore international student's research trend in terms of mental health and counseling. To this end, with literary research method, this study reviewed those researches conducted in Korea and across the world, before and during the COVID-19 pandemic. Finally, this study suggested the future research direction and agendas of international student after the COVID-19 pandemic. This study will contribute to calling attention to international students across the world, and making mental health support for them in Korea.