Dynamic　properties　and　resisting　penetration　ability　of　the　metal　foams　and　foam　core　sandwich　structures,　including　the　deformation　principle　under　impact　load　and　its　influencing　factors,　are　reviewed　in　the　paper.　Compared　with　the　general　metals,　the　metal　foams　have　a　series　of　special　mechanical　properties　because　of　pores,　such　as　great　condensability,　compressing　plateau　stress　and　Poisson＇s　ratio　variation.　The　good　comprehensive　mechanical　properties　(mainly　stiffness　and　intensity)　and　low　density　are　its　most　advantages.　Moreover,　the　future　development　and　investigation　trends　are　presented.　The　intention　of　this　review　is　to　enable　the　reader　to　know　the　published　results　about　metal　foams　under　dynamic　load.