This standard specifies a method for the determination of antimony, barium, cadmium, chromium and lead in toy materials by graphite furnace atomic absorption spectrophotometry. It is suitable for the determination of transferable elements in all toy materials according to GB 6675.4. This method has high sensitivity and is suitable for the detection of trace elements. The standard details the pretreatment method of the sample, the required reagents and instruments, and provides technical support to ensure the safety of toys and meet national standards.