Deng Xiaoping＇ s nation theories has an important reality apocalypse to the great development of Chinese western regions. In the great development of Chinese western regions, we must insist in national equality, solidificationy and mutual aid, national district autonomy theories and the route to liberate thoghts and stick to facts; continue to deepen national equality and emphasize the economic and cultural construction; enhance the mutual aid relation of all nations and coagulate national feelings; perfect national legal system construction and grant more independent rights and the policies to these national autonomy districts for their development; take the advantage and avoid the disadvantage of local places to push the economic healthy development in these national areas.