Abstract:n order to meet the needs of geological prospecting in the field of mineral resources, a convenient, reproducible and low detection limit detection method is sought for the Quantitative analysis test of silver elements.By optimizing the parameters such as the sample weight and the amount of redissolved hydrochloric acid, the optimum pre-treatment conditions were selected;The condition test of the Flame Atomic fluorescence spectrometer is carried out, and the single variable test is carried out for the key parameters such as lamp current and gas flow rate;The precision of the method is 1.80% ~ 4.52% , the accuracy is 0.46% ~ 1.82% , and the detection limit is 0.4 g/t. The method has the characteristics of good stability, high sensitivity and fast analysis efficiency, and is suitable for popularization among laboratories with large sample size and high precision.