The analysis of owners’ house layout is an important part of Interior design. Designers, by analyzing and evaluating objectively the house layout that is provided by the house owners, put forward a best design. The quality of original house layout is determined by house elements and environmental elements. Interior designers examine mainly houses factors and also take into account enviromental factors. The main purpose of this paper is to discusse the 12 house elements and the main aspects of environmental elements in analysis of house layout, and to give pondered suggestion.