On December 16-th, 2017, the graduate student union of the School of Biomedical Engineering held an Academic Day for Graduates to improve  communication between professors and graduates, promote cooperation in scientific research between different study fields and provide an opportunity for graduates to expand their thoughts. Yuqing Zhang and Li Lin were invited to participate in this activity. Yuqing Zhang looked back on her four-year PhD research career. Li Lin shared her research and her experience of winning awards.