In recent years,navigation in Polar areas has become a hot topic around the world.The 24th International Conference on Port and Ocean Engineering under Arctic Conditions (POAC 2017) manages to create a platform of communicating and learning for experts and scholars in this area.A review of safety of port and ocean engineering in Arctic area is developed by introducing and analyzing keynote speeches and technical papers from POAC 2017.Frontier studies in this field including remote sensing of sea ice,Arctic sea ice load analysis,researches on Polar Codes and risk assessment of Arctic navigation are summarized.For the hot topics of navigation in Polar area and safety security,future trends on this field from POAC 2017 have been elucidated.Focuses for future studies are put forward to seize the opportunities for the development of polar ship navigation.