Thomas Trautmann was disagreed with the options of Max Mueller and other western scholars of the colonial era, because he thought that their “Aryan invasion theory” are full of racial prejudice and racial discrimination. Therefore, Thomas called their theory is the “racial theory of Indian civilization.” John Muir noted from the language perspective of the relationship between Indian and the European in his writings, Original Sanskrit texts on the origin and history of the people of India,. He mentioned in his earlier writings to this view, “affinity in language implies affinity in race” and he went to prove his theory, so he used physiological factors and racial theories to classify India race and Indo-European race. In later, John refuted