To determine the composition and origin of material used for jade wares of the Western Han Dynasty,microscopy,EMPA,infrared spectrum,Laser Raman spectroscopy and LA-ICP-MS were used to analyze the jade dress and the jade coffin excavated from the mausoleum of the Chu King in the Shizishan of Xuzhou.1)Microscopic research showed that all jade samples had graphite inclusions which meant they were not from Nanping,Fujian or Xiaomeiling,Liyang,Jiangsu,as jades from these sites have no graphite inclusions.2)EMPA suggested that all of the jade samples were tremolite,with values of ω(FeO)/% in the range,0.287 to 0.925.This means that the jade materials were not from Manasi,Hualian and Glumd.In addition,the values ofω(Al₂O₃)/% of the jade samples was much bigger than that of jade from Luanchuan,Henan.3)FTIR showed that all the jade samples were tremolite,which was consistent with the EMPA results.FTIR also showed that the jade samples had a high Mg content.4)Raman spectroscopy showed that the jade samples and tremolite shared the same characteristic Raman spectra and could be desogmated as termolite type soft jade.The EMPA and FTIR results are consistent with each other.5)LA-ICP-MS showed that the REE content of the jade samples and of the REE distribution are different from nephrite jade of Xiuyan,Liaoning and Wen chuan,Sichuan.The low Cr、Ni、Co contents indicate that the jade materials come from a magnesium-calcite nephrite deposit,and the low Sr content indicates that the jade materials are not from Xiaomeiling,Liyang,Jiangsu.Therefore,it can be deduced that the material of jade wares in the mausoleum of the Chu King may come from Hetian,Xinjiang,as nephrite jade materials had spread to the Chu culture area and had become the main source for court jade wares during early West Han Dynasty.