| This article, taking time as longitude, the facts that affect ethnic relation as woof, discusses the development and the change of ethnic relation under the effect of different facts in Qian dong nan Miao and Dong autonomous state in different period.The development of the ethnic relation in Qian dong nan can be divided into two parts by the foundation of the people's republic of china. The ethnic relation in Qin dong nan before the foundation of the people's republic of china consists of three sections, which are ethnic groups emigration (the dynasties of Qin, Han, Wei, Jin) , nations form (the dynasties of Tang and Song) and central government reign (the dynasties of Yuan, Ming, Qing) . The ethnic relation in Qian dong nan after the foundation of the people's republic of china is composed of four sections, which are the first stage of the people's republic of china (from 1950 to 1956) , the stage of constructing socialist comprehensively (from 1956 to 1966) , the stage of culture revolutionary (from 1966 to 1976) and the new stage of constructing socialist (from 1976 to today) .The facts that affect the ethnic relation in Qian dong nan mainly comprise natural environment, social environment, ethnic groups emigration and ethnic culture. Natural environment and ethnic culture are relatively long-term and stable facts, making the ethnic relation in Qian dong nan develop stably. The social environment that includes social pattern, class separation, political system and ethnic policies is changeable and different in different period, also causing ethnic relation change. This article often discusses the social situation firstly before studying and demonstrating the ethnic relation in Qian dong nan in every chapters.Based on the structure and analysis method as the above-mentioned, this article studies the past, the current and the future of the ethnic relation in Qian dong nan.The article believes that the friendship that was formed during the emigration, the mutual dependence during the development and the cultural resemblance between nations in Qian dong nan result in relative harmony and smooth development of ethnic relation that is the mainly characteristic in this region from history to now.Besides this feature, the ethnic relation in this region also shows the difference in different stage because of the social environment. Generally speaking, the ethnic relation in Qian dong nan has experienced three phase, which can be mainly Summarized into harmony phase (before the dynasty of Yuan) , conflict phase (the dynasties of Yuan, Ming, especial Qing) and harmony phase again (after the foundation of the people's republic of china) . According to the fixed aim, this article emphasizes on the ethnic relation after the foundation of the people's republic of china. |