共同语是指社会的全体成员所共同使用的语言 ,是不同国家、不同地域、不同阶层的人们互相进行文化、思想交流的工具 ,而方言具有其独特的魅力 ,能够体现自身的地域性和社会性。语言是在分歧与统一的对立中不断发展的。发现符合语言发展规律的新成分 ,逐步使其科学化、系统化 ,是语言文字工作的重要任务。 Common language refers to the common language used by all members of society. It is a tool for people of different countries, regions and classes to exchange ideas and cultures with each other. Dialects, with their unique charm, can reflect their own regional and social Sex. Language is constantly evolving in the opposition to unity and disagreement. It is an important task for language work to find new ingredients in line with the law of language development and gradually make it scientific and systematic.