Abstract: The Origin software is applied in the data treating to line matching and making diagram in newton ring experiment.The experiment result shows  an excellent accordance with the results of data treating by the traditional method and least square method.The experiment is concise and rapid with audio-visual results,and it can avoid the error producing from the handing treatment if the origin software is applied in the data treating and making diagram.

Key words: Origin software, data treating, newton ring experiments, least square method