The 3rd PolyU Research Student Conference (PRSC 2025) held on 2 to 4 July 2025. PRSC aims to promote innovative and high-quality research. It is the flagship research student conference, providing Research Postgraduate (RPg) students and students from the College of Undergraduate Researchers and Innovators (CURI) at PolyU with the opportunity to present their research work and findings. The conference also facilitates networking among students from different disciplines, fostering a collaborative and supportive research community at PolyU.