Study on the Youyan Dialect in Yang Xiong's Dialect

The Modern Northeastern Mandarin and Beijing dialect is developed based on the ancient Youyan dialect.Basically,there are no objection in academia.However,the scholars think that Northeast Mandarin and Beijing Mandarin partition,and also mistakenly believe that the Northeast Mandarin formed afterWent to the Northeast.InLiaoning Dialect Speech Researchand other series of reseach Yang Chunyu put forward the viewpoint that the formation of Northeastern Mandarin dialect is not late.The evolution of it is not accomplished at one stroke,which experienced the historical evolution of Northeast Mandarin including Youyan Dialect,Han'er speech,Northeast Mandarin and Beijing Mandarin and the Northeastern Mandarin.The Perspective of this draft is the history of Northeast Mandarin.Through describing Yan Dai dialect,Northern Yan-Korea dialect and other dialects in Yang Xiong's Dialect and comparing their description with the modern dialect,we want to explore representation about the history of Youyan dialect,and try to explain why the general upper level of Youyan dialect,rather than narrow lower level of Northen Yan-Korea dialect is the resource of the Northeast mandarin.We try to prove that the Northeast mandarin dialect has profound and historical basement.The formation time of Northeast mandarin is not late.