青海与西藏之间，地域毗连，部落交错杂居，加之宗教上不可分割的内在联系，历来商旅往还，和睦相处。进入近代，英国入侵西藏，挑起青藏、川藏纠纷，造成民族隔阂，极度削弱并一度中断了内地与西藏的传统交往和联系。青藏贸易的兴衰一方面反映了内地政治经济格局变动对青藏贸易的影响；另一方面也反映了英国入侵西藏对青藏贸易造成的危害 Between Qinghai and Tibet, the geographical contiguity, tribal staggered mixed, coupled with the religious indivisibility of the internal relations, business has always been, live in harmony. In the modern era, the invasion of Tibet by Britain and the provocation of disputes between Tibet and Tibet have caused ethnic isolation and severely weakened and once interrupted the traditional contacts and contacts between the Mainland and Tibet. The rise and decline of the Qinghai-Tibet trade on the one hand reflects the changes in the political and economic patterns in the Mainland on the impact of trade with Qinghai; on the other hand also reflects the British invasion of Tibet on the Tibetan trade caused by the harm