明朝中叶后,由于朝廷对西北地区采取军垦戍边、屯田农耕的政策,大量移民涌入。依靠劳力资源的传输,西北地区尤其是甘肃的人口总量迅速增长,这种人员的大规模流动迁徙使一些民间舞蹈得以交流,传播范围扩大。古丝绸之 Since the mid-Ming Dynasty, a large number of immigrants poured into the country due to the policy of the court taking the policy of reclaiming wasteland and planting gardeners in the northwest region. Thanks to the transmission of labor resources, the population of Northwest China, especially Gansu, has grown rapidly. The mass migration of such personnel has allowed some folk dances to be exchanged and the scope of dissemination expanded. Ancient silk