Based on the current indoor natural ventilation and lighting in the space of traditional residential buildings, this paper starts from the passive-design optimization of the spatial natural ventilation and lighting, and makes quantitative evaluation on the quality of current interior natural ventilation and lighting for two typical residential buildings by three indexes, including wind speed, static wind area ratio and satisfaction ratio about minimum lighting coefficient. Based on that, this paper conducts the passive design optimization, and establishes the quantitative association and reevaluation among the passive reformation design, natural ventilation, and lighting environmental quality, proposing the general strategy for the existing residential buildings to respond to the passive reformation design of the natural ventilation and lighting. The special reconstruction of core functionary space of integration of “the living room+dining room+partial space” is researched, and the redesign for the optimization and replacement of both indoor and outdoor enclosure parts is explored, which is expected to provide practical exploration on the strategies for passive construction of spatial natural environmental quality within a large number of highly-energy-consumed residential buildings in China, as well as the green design of residential buildings.