Facing the declining in enrollment, over-supply has become a new crisis in higher education in Taiwan. This study aims to review how the declining of baby born and potential enrollment might challenge the over-supply higher education system. Time series data (1974-2016) collected from Ministry of Education and Ministry of Interior were used to interpret the unique phenomenon in this system. The estimated result reveals the enrollment will decrease significantly in next 18 years. Based on the result of this study, the strategies using to thriving the over-supply higher education have been proposed. This study found cutting the current enrollment is the most wanted strategy for Ministry of Education, while international student recruitment could be an alternative strategy for relieving the pressure of declining enrollment in next decades. Considered the long term strategies, this study suggests remodeling the higher education system to fit the global competition, universities cooperation and merge, deregulating and building multiple management systems for sustainable development. Implementing these strategies, the related policy makers and contestants should consider both local boundary and global context for reinventing the higher education system.