This thesis explores origin of dwelling south anhui province from history , phyle , new confucianism , geography , geomantic omen ; analyses reason of development and exist of south anhui province from factor of economy , transportation and situation . continue is memorize of history 本文从历史、新儒学、宗族、地理、风水几个方面来探究皖南民居形成的渊源;并从经济因素、自然因素、交通和区位因素分析皖南村落人居环境的演化及其这些古村落仍存在的原因。