Abstract:In order to analyze the product quality of Jingmai ancient mountain Pu'er teas.Physical and chemical indexes，heavy metals and pesticide residues of Jingmai ancient mountain Pu'er tea of different storage years and different seasons were detected，and were analyzed the quality of the products by standard requirement of GB/T 22111 2008、GB 2762 2017、GB 2763 2016、NY659 2003、NY/T 288 2012.The results shows that moisture content were 7.3%-9.5%，ash content were 4.7%-6.1%，water extract content were 47.2%-51.5%，tea polyphenol content were 23.2%-24.8%，crude fiber content were 9.3%-11.5%，soluble sugar content were 3.7%-5.4%，free amino acid content were 1.9%-3.0%，Chromium content were 0.19 mg/kg-1.21 mg/kg，cadmium content were 0.016 mg/kg-0.269 mg/kg，arsenic content were 0.00-0.20 mg/kg，fluorine content were 31.0 mg/kg-88.1 mg/kg，mercury were undetected，copper content were 3.86 mg/kg-10.33 mg/kg，lead content were 0.03 mg/kg-0.65 mg/kg，total rare earth oxides were 0.224 mg/kg-1.177 mg/kg，the 48 pesticide residues were undetected.The physical and chemical indexes，heavy metals and pesticide residues of Jingmai ancient mountain Pu'er teas were in line with the national standards and its products were safe and reliable.