Abstract
A purpose of this paper is to make clear the characteristic and the trend of life style of northern region in China. From the point of cleanliness, we focus onto usage of GASHITSU, an equipment of kitchen and a situation of taking on-off shoes. The traditional feeling of cleanliness is observed on urban apartment house. However, the current component of apartment unit spaces is not corresponding to traditional feeling of cleanliness. To consider the hierarchy of cleanliness and the traditional feeling of cleanliness is need to urban apartment house unit planning at northern region in China.