Abstract:Six compounds have been isolated from the leaves of Pistacia chinensis, a spiecies of Anacardiaceae family. their structures were identified on the basis of UV, IR, NMR, and MS as gallic acid, m-digallic acid, quercetin, 6-0-galloyl arbutin, quercitrin and quercetin-3-0(6″-galloyl) -β-D-glucosides.