The research focuses on bio-inspired multifunctional structural lightweight design and additive manufacturing, with emphasis on impact-resistant, sound-absorbing, and magnetic-shielding bio-inspired structures. It involves lattice topology optimization, mechanical performance analysis, and material-process-property relationships, primarily employing additive manufacturing to fabricate metallic and composite materials. The work is dedicated to interdisciplinary integration of biomechanics, materials science, and advanced manufacturing, serving aerospace and automotive engineering applications.