In some Western countries，Lasa 3·14 riot was portrayed as a pursuit for freedom，democracy and human rights.For support for the so-called resistance Tibet independence some activists used every means including violence to interfere with the Olympic torch relay in western countries.Tibet issue is in fact of anti-communism and anti-China legacy in the cold war time.Tibet separatists spread lies and create prejudice in order to get sympathy and support in the West.Western media actively helps the Dalai clique to make sensational rumors to mislead the audience.The ignorance and prejudice of Western civil society come from the far-reaching historical reasons，the present factors and the inherent psychological impact.China ought to do more to let the West understand the reality of Tibet and the central government’s policy toward Tibet.