Addressing quantum electrodynamics (QED) and particle physics, this session examines fundamental interactions, quantum field theory, and experimental insights into particle properties. Discussions will cover Feynman diagrams, gauge theories, and experimental techniques in high-energy physics. QED provides a theoretical framework for understanding electromagnetic interactions between charged particles, essential for predicting particle behavior and developing particle accelerators. By discussing theoretical advancements and experimental discoveries, this session aims to deepen understanding of fundamental forces in nature, guide future particle physics experiments, and inspire breakthroughs in quantum field theory and high-energy physics research.