The properties of light aged lacquer coated silk fabrics were examined to understand the resistance of these materials to light aging and to act as reference for the preservation and display of the excavated lacquer coated silks. Three kinds of samples, uncoated silk, silk fabrics coated with lacquer and silk fabrics coated with lacquer mixed with 15% tungoil, were artificially light aged. These studies showed that tensile strength and elongation at the breaking point of both pure lacquer coated fabrics and tungoil and lacquer coated fabrics decreased and were much smaller than those for pure silk fabrics. Tungoil and lacquer coated fabrics had the smallest decrease. Both lacquer and tungoil films showed slight hollowing and fracturing under light. Pure lacquer film had more damage. During lightaging process, lacquer was able to preserve the silk fibers well. No change in crystallinity was observed on coated silk but it was observed with uncoated silk. These results can serve as references for preservation and exhibition of excavated lacquer coated silks