With　the　Internet　of　Things　Technology　matures,　we　try　to　find　Internet　of　things　in　the　surveillance　of　the　project　file　management　can　play　a　multiply　role.　We　found　points　that　large　number　of　files,　many　kinds　of　high　value　and　long　storage　time　and　so　on　in　surveillance　of　Jin　Hong　Project,　Golden　Shield　Project　and　other　national　key　construction　projects.　In　this　paper,　we　take　Jin　Hong　project　as　an　example,　the　use　of　Internet　in　the　traditional　ABC　classification　and　the　Combination　of　AHP　method,　compared　the　efficiency　of　file　management.　©　2012　IEEE.