The old building is a unit apartment in the 1980s, which is a residential building pattern from the Soviet Union.However, with the urban renewal, the nature of land has changed from residential to commercial, and a commercial and free space form is coming out. The designer intervened with a weak attitude, only to awaken the inner fullness of the space. The design rounds off the hard corners, retains the original cement stairs, and uses recycled old wood and cloth, which not only reflects the temperature of time, but also considers low-carbon and environmental protection.