In this new 80 sqm house, the social core of the family of four members is concentrated in the living room, dining room, study and kitchen, which is expected to achieve a lot of interaction, harmony and safety under the limitation of 40 sqm public area. Therefore, the public area is completely open, and through the screen and half-height TV wall, the space is clearly divided, which is open and independent, where creating a flexible social core. The entryway and the living room are separated by an iron screen, which can cover the sight after entering and give the living room more security.