Abstract:Color is an important factor for studying gemmological characteristics of jade and jewelry. It is also an important factor affecting the value of the gem. Taishan jade has four color series. It is of great significance to the analysis and study color factors of Taishan jade. Through chemical analysis and electronic probe test, main chemical compositions of Taishan jade have been identified, and the relationship between chemical compositions and color have been analyzed. Finally, the color factors of different colors of Taishan jade have been determined.