Break the existing space barrier light and activities to re-establish the appearance of life. This case mainly uses people whose members are over 90 years old, and occasionally have children to live together. Therefore, in the overall configuration, the free plane is taken as the main concept, and the light line, moving line and cable string are used to build a plane space of 70 meters square. In order to improve the long-distance camera, it is necessary to ensure safety and user interaction and convenience, and how to communicate with each other is even more important. Through barrier-free continuous mobile experience, regardless of the standard of access to guests, restaurants, rooms, penetrating rooms and bright space settings, any user in this family can feel comfortable and feel at ease in every good moment of life in the future.