The 6th International Conference on Frontiers of nano-Photonics (FOP6) will be held in Kunming, China from March 29 to April 02, 2020. As a series international conference on plasmonics, FOP6 aims to provide a platform for scientists to present and discuss their latest developments in plasmonics and nanophotonics, exchange ideas and inspire new concepts and designing.   The FOP conference series was initiated during the Nanophotonics Workshop of the International Center for Quantum Structures (ICQS) in 2009, which later was recognized as FOP0.   Since then the FOP series has been held biennially, with FOP1-FOP5 successfully held in Xi'an (2010), Chengdu (2012), Xiamen (2014), Hefei (2016), and Nanjing (2018).