Nowadays,the diversification trend of mode of motion axes of five-axis NC machines appears in recent years.Some kinds of non-orthogonal five-axis NC machine tools with declining and rotational head have been put into application.It’s necessary to develop postprocessor for these particular mode of motion axes.Aimed at DMU60P non-orthogonal five-axis NC machine tools made by DECKEL MAHO Company in Germany,the postprocessor for this kind of machine tool was researched and developed to make good use of this kind of non-orthogonal five-axis NC machine tools,which was of reference and engineering value.