Abstract: The objective of this study was to analyze the mineral elements characteristics of Platycladus orientalis (Linn.) Franco soil in typical ancient trees group in Beijing. Statistical methods were used to analyze the characteristics of Ca, Mg, Zn and Fe of Platycladus orientalis (Linn.) Franco in Ditan, Xiangshan, Yongling and Qingwangfen. Also the relationships between healthy degree and mineral elements were analyzed. Location diversities were dramatically reflected on Ca, Zn and Fe content and no obvious difference on Mg. However, the diversity was not shown among different tree classes. The correlation between tree health and trace elements content indicated that the Ca and Fe content increased first and then decreased with the increase of tree health condition. Mg content was the opposite trend as healthy degree increase, while the Zn content was the same trend with the healthy degree. Ca, Mg, Zn and Fe were relatively high content and shown medium variation. The relationships between health degree and Mg were negative and between health degree and Zn were positive. The rests were found to positive first and negative then. The clear relationship between mineral elements and ancient trees health degree could be instructional for ancient trees maintenance.