The　comparison　analysis　of　sample　quality　in　terms　of　rivet　macro　deformation　and　micro　joining　for　electromagnetic　riveting　and　pneumatic　riveting　was　investigated　by　experimental　method.　The　results　show　that　compared　with　pneumatic　riveting,　electromagnetic　riveting　can　be　achieved　in　one　pass　with　uniform　deformation　in　sample　rivet　shaft,　small　fluctuation,　stable　riveting　quality　,　and　also　not　easy　to　appear　distortion　and　crack　in　rivet　head.　Rivet　deformation　in　electromagnetic　riveting,　is　more　severe　than　in　pneumatic　riveting　at　the　joining　position　between　formed　rivet　head　and　aluminium　alloy　plate.　The　joining　of　sample　between　rivet　and　aluminium　alloy　plate　is　more　compact　in　electromagnetic　riveting　than　in　pneumatic　riveting　at　the　joining　position　between　rivet　shaft　and　aluminium　alloy　plate.　At　the　joining　point　between　rivet　shaft　and　composite,　the　extruding　effect　of　rivet　to　composite　is　less　in　electromagnetic　riveting　than　in　pneumatic　riveting　and　lamination　and　dehiscence　were　not　observed.