The Northern Dynasty is a peak period of sogdian people coming into China, while their culture had gradually flourished here. In the context of frequent cultural exchanges among the ethnics in northern region, sogdian culture, especially musical sogdian culture, became extremely popular in China because of its unique fascination. Sogdian instruments and dance were adored in the royal court and banquets, and had caused a great influence to Chinese classic music. The essay is going to discuss the specific manifestations and their causes of the sogdian musical influences at that time, mainly base on the pictures discovered in ancient tombs and Buddhist caves of the Northern Dynasty.