Multi-pulse　laser　radar　emits　hundreds　of　high　repetition　frequency　laser　echo　to　accumulate,　and　needs　dynamic　target　signal　simulation　to　verify　the　detection　performance　based　on　target　echo　waveform　model.　Pulse　laser　echo　waveform　can　be　modeled　through　the　convolution　relationship　among　the　laser　emission,　channel　propagation　and　target　reflection.　Firstly,　the　mathematical　descriptions　of　each　component　part　were　established,　and　the　echo　waveform　model　was　given　by　continuous　convolution.　Then,　for　the　problem　that　the　analytical　model　was　not　conducive　to　the　engineering　implementation,　the　discrete　algorithm　of　target　echo　waveform　sequence　was　presented　based　on　transmitted　pulse　range　resolution.　According　to　the　echo　signal　simulation　of　long-range　aircraft　target,　the　intrinsic　relationship　between　the　echo　waveform　and　the　target　characteristic　was　pointed　out,　and　the　reliability　was　verified　by　the　experiment.　Finally,　the　development　and　implementation　of　the　multi-pulse　laser　radar　dynamic　target　simulator　was　presented,　which　provided　the　necessary　verification　test　conditions　for　the　research　of　multi-pulse　laser　target　detection.　©　2016,　Editorial　Board　of　Journal　of　Infrared　and　Laser　Engineering.　All　right　reserved.