为汉语方言考求本字，自前清乾嘉时代起就逐渐蔚成风气。胡文英《吴下方言考》、杨恭桓《客话本字》和章炳麟《新方言》等代表了早期的水平。本世纪５０年代以后，随着全国汉语方言普查活动的开展，方言学者普遍有了音韵演变规律的观念，通过音韵的论证和语义的比较考求各... The Chinese dialect for the word, since the Qing dynasty era has gradually become popular. Hu Wenying “under Wu dialect test”, Yang Gonghan Huan “Hakka word” and Zhang Binglin “new dialect” and so on represent the early stage. Since the 1950s, with the launching of census activities in Chinese dialects, dialect scholars generally have the idea of ​​phonological evolution rules.