The　Internet　of　things　is　becoming　more　and　more　widely　used　in　the　industrial　field　and　it　is　an　important　technology　to　lead　the　development　of　modern　industry.　This　paper　introduces　the　development　background,　architecture　and　key　technologies　of　the　industrial　Internet　of　things,　and　applies　the　multi　sensor　data　fusion　to　the　industrial　Internet　of　things.　In　order　to　improve　the　practical　value　of　the　multimedia　sensor　network,　we　need　to　integrate　the　spatial　data　and　multimedia　information　in　the　multimedia　sensing　network.　However,　the　fusion　of　spatial　data　and　multimedia　information　in　multimedia　sensing　network　cannot　express　the　rule　of　local　dynamic　change　in　detail,　which　leads　to　the　problem　of　large　fusion　error　between　data　and　multimedia　information.　Therefore,　we　propose　a　method　of　fusion　of　spatial　data　and　multimedia　information　in　multimedia　sensing　networks　using　redundant　information.　The　experimental　results　show　that　our　proposed　method　can　reduce　the　energy　consumption　of　the　fusion　of　spatial　data　and　multimedia　information　in　multimedia　sensor　network,　and　the　fusion　accuracy　is　high.