Objective To establish an optimal method for thedetermination of available copper, iron, manganese and zinc in soil inSanpu. Methods AB-DTPA leaching and inductively coupled plasmaspectrometry were used to determine the available $\mathrm{{Cu}},\mathrm{{Fe}},\mathrm{{Mn}}$ and $\mathrm{{Zn}}$ in soilsimultaneously. Results The detection limit and precision met theanalysis requirements, and the high accuracy of copper, iron andmanganese were in the concentration range of ${0.50}\sim {100}\mathrm{{mg}}/\mathrm{L}$ ,and zinc was in the concentration range of ${0.25}\sim {10.0}\mathrm{{mg}}/\mathrm{L}$ .The linear relationship was good, and the correlation coefficients wereall above 0.999 . The detection range of the method was in the range of ${0.06}\sim {0.69}\mathrm{{mg}}/\mathrm{{kg}}$ ,and the blank test results were stable. The precision of the methods wasless than 5.0%, and the parallel differences of the samples were allwithin the qualified range. The available iron, manganese and copper,zinc in the sample are different by one to two orders of magnitude, andthe determination can still obtain accurate results. Conclusion Thedetection limit and precision of this method meet the requirements ofanalysis, and the accuracy is high, which is suitable for the detectionof available copper, iron, manganese and zinc in soil.