In 1946, India established a provisional government to get rid of the tragedy of centurys of colonial life and open a new page for independence. India not only occupies a leading position in Asia in terms of development conditions such as population, land, and industrial scale. Therefore, Nehru and other Indian leaders had a different imagination of India in Asia and the world. In 1947, India convened the Inter-Asian Relations Conference to learn how to lead Asia. The traditional power of Asia, China, decided to ＂help＂ this conference to be harmonious, but privately it still didn’t like India to control everything. This article will represent how India used Tibet to be a weapon to destroy China's protection and challenge China's Greater Arianism through the letters of Nehru and other Indian leaders.