“一颗印”民居是我国古建筑重要的组成部分之一，现以云南中部、贵州西部、皖南等地区古民居为主要代表分布。本文以晚清时期芜湖“小天朝”民居为例，分析皖南地区“一颗印”民居建筑的历史、平面造型、建筑结构、室内环境等方面，以当下社会发展角度为出发点，提出了“小天朝”民居建筑五点问题与建议，期待为今后“一颗印”古建筑修缮研究提供理论与实践启示。

"Yizhiyin" folk houses are one of the important components of ancient architecture in China. Now they are mainly represented by ancient folk houses in Central Yunnan, western Guizhou and southern Anhui. Taking the "small heavenly Dynasty" residential buildings in Wuhu in the late Qing Dynasty as an example, this paper analyzes the history, plane modeling, architectural structure and indoor environment of "one seal" residential buildings in southern Anhui, and puts forward five questions and suggestions on "small heavenly Dynasty" residential buildings from the perspective of current social development, It is expected to provide theoretical and practical enlightenment for the repair research of "one seal" ancient buildings in the future.