The 5^th International Conference on Microstructures and Properties of Materials will be held in Hangzhou from May 15^th to May 19^th, 2019. This conference is organized by the School of Materials Science and Engineering at Zhejiang University & Materials Research Society of Zhejiang Province. There will be four sessions: In-situ TEM, Biomaterials, Optoelectronic Semiconductors, Energy Storage Materials and Battery Technology. Internationally renowned experts in materials science will deliver keynote speeches and invited talks during the conference, exploring latest research findings and future development, and displaying the advances in technology innovation and applications.