The pretreatment procedures of testing lubricating greases by Inductively Coupled Plasma Atomic Emission Spectrometry(ICP AES)method were studied.By improving the procedures and analysis agents of lubricating grease incineration and acidolysis in ASTM D7303 standard method,a pretreatment method of the lubricating grease element spectrum analysis was put forward.The spectrum analysis results of the elements of Fe,Ca,Zn,P,Mo and Li have good consistency for the two pretreatment methods of lubricating greases,the improved pretreatment method and the standard method,which proves that this improved method can be used as the pretreatment method of inspecting the elements content in lubricating greases.