The COVID 19 pandemic brought interesting changes in family members' behaviors in residential spaces. They started having various activities in their residential spaces because they had to keep the social distance, taking online courses, doing online business meetings, etc.The lecture explains general trends in the space use in residential environments and present current examples of space planning, interior design, and finishes in Korea.It also introduces biophilic design principles for residential spaces and application examples. This lecture suggests design considerations for healthier life in residential spaces.