This case is a set of large flat floor apartments on the top floor. The construction area is 260 m². So the fine-sorted functions of the original structure appear trivial and cramped. According to this, we have made relatively large changes to the plan layout of the whole space. Having broken the conventional family layout mode. Most function areas have been fuzzed except for the bedrooms, bathrooms etc. Meanwhile, as a housing, the owned function has not been missed. The designer has formed a graceful curve through the different areas. Home will not stay the same all the time.