Raman spectrometry and SEM-EDS were applied to analyze six typical samples of pigments from the stone coffin in the tomb of Yang Hui of the Tang Dynasty. The results show that all pigments were mineral ones:the green one was malachite, the white one white lead, the black one carbon black, the brown one a mixture of red lead and litharge, the red one cinnabar and the pink one a mixture of red lead and white lead. All the pigments were well-preserved and no chemical change was found. This study could provide important information for the research on relevant subjects of archaeology and conservation.