Abstract: The study of thermoanalytical and kinetic properties of lubricating lithium greases is of great importance to understand its behavior when submitted to different temperatures and atmospheres and as those conditions affect its performance. In the present research, thermal analyses and infrared spectroscopy of lubricating greases were accomplished to the lithium base. The lubricating greases were submitted to Thermogravimetry (TG) and Differencial Scanning Calorimetry (DSC) analysis.