With the increase of environmental pollution, a lot of treasure stone relics suffer from severe weathering due to lack of protection. In order to prevent the stone relics from weathering, a new protection method is given based on the combination of Nano-materials and traditional conservation of historic stone agent: That is: reconcile silver Nano-titanium dioxide and NS-series cultural relics water-based protective agent with a ratio of 6 g/5 mL, then smear the muddy mixture on the surface of the red Sandst...